HORTSCIENCE 53(2):148–152. 2018. https://doi.org/10.21273/HORTSCI12564-17 Cercis chinensis Bunge; Cercis chingii Chun; Cercis glabra Pamp.; Cercis occidentalis Cercis Torr. Ex A. Gray; and Cercis siliquastrum A Checklist of (Redbud) L. (USDA-ARS, 2017). All cultivars are C. canadensis L. unless otherwise indicated. Cultivars This database is available online at the National Arboretum’s website: www.usna.usda.gov, David L. Kidwell-Slak where the most updated version can be found. USDA-NRCS, Norman A. Berg National Plant Materials Center, 8791 Beaver Dam Road, Building 509, Beltsville, MD 20705 Checklist of Cercis Cultivars Margaret R. Pooler1 ‘Ace of Hearts’ (U.S. Plant Patent Floral and Nursery Plants Research Unit, U.S. National Arboretum, USDA- #17161, 2005): Found, named, and in- ARS, 10300 Baltimore Avenue, Building 010A, Beltsville, MD 20705 troduced by Paul Woody (Fantz and Woody, 2005): Deciduous, compact, Additional index words. germplasm, ICNCP, ICRA, woody ornamental plants multistemmed tree; 4-m tall and 5-m wide at 8 years; young branches are greenish The genus Cercis L. (redbud; Fabaceae: and Asia, as well as representative redbud (RHS 146B-C) becoming dark gray brown Caesalpinioideae: Cercideae) is a morpholog- cultivars sold in the United States, in support to grayish brown (199A, 200B-C), bark is ically and biogeographically diverse group of our active breeding program and germplasm grayish (RHS 197B); leaves are broad with seven to thirteen species or subspecies collections. The increased popularity of red- ovate-cordate, 4–6.5 cm long and 4–6.3 cm that occur in North America, Europe, and buds and the proliferation of named cultivars, wide, upper surface is dark green (132A, Asia (Chen et al., 2010; Davis et al., 2002; combined with our interest in Cercis germ- 136A, 139A), smooth-textured, and some- Fritsch et al., 2009; Krussmann,€ 1976; plasm, prompted us to apply for appointment as what shiny, and lower surface is pale with Rehder, 1990; USDA-ARS, 2017). Mature the International Cultivar Registration Author- conspicuously reticulate veinlets; flowers plants range in size from small shrubs to large ity (ICRA) for Cercis, which was granted to the light violet (82A-B), calyx reddish-purple trees, tolerate full sun to shade, and are hardy USNA in 2013. (RHS 71B-C). from USDA Zones 4–9 (Raulston, 1990; The ICRA is a voluntary system of regis- ‘Alba’ (Raulston, 1990): White-flowered Robertson, 1976). In addition to their eco- tering plant names to promote the stability of eastern redbud (Burns and Raulston, logical role as a native North American plant cultivated plant nomenclature by preventing 1993): Likely multiple clones exist under (Cercis canadensis), redbuds are a significant duplication of names and ensuring that names this name. Name not established as it does crop for the American nursery industry, are in accord with the ninth edition of the not meet the provisions of the ICNCP, valued primarily for their showy early spring International Code of Nomenclature for Cul- Article 21.11, stating that a name that is bloom, glossy heart-shaped foliage, and tivated Plants (ICNCP) (Brickell et al., 2016). entirely in Latin cannot be established after adaptability to diverse environmental condi- It confers no legal protection over the name 1 Jan. 1959. tions. According to the 2014 USDA Census or the plant and does not imply distinctive- of Horticulture Specialties (USDA-NASS, ness, value, or performance of the plants in ‘Alba’ (Burns and Raulston, 1993): Cercis 2015), redbuds are the fifth most valuable question. It is simply a mechanism to estab- occidentalis. White-flowered California deciduous flowering tree crop in the United lish and document plant names. redbud. Introduced by Rancho Santa Anna States, with a total crop value of $26.7 In addition to compiling data and docu- Botanical Garden in Claremont, CA. million, and the seventh most commonly menting sources for cultivar names, the Name not established as it does not meet grown flowering deciduous tree in the United ICRA must also establish the plant names the provisions of the ICNCP, Article States, with nearly a million plants grown through publication to ensure that each name 21.11, stating that a name that is entirely in annually. According to the 2013 census, has precedence for its use. The purpose of this Latin cannot be established after 1 Jan. 1959. redbuds were sold by 1272 wholesale or checklist, therefore, is to establish the Cercis ‘Alba’ (Burns and Raulston, 1993): Cercis retail nurseries in 44 U.S. states. names and provide a resource for botanists, chinensis. White-flowered chinese redbud. Although redbuds have been cultivated nursery industry professionals, horticultur- Name not established as it does not meet for over a century, their popularity has in- ists, and others interested in this genus. the provisions of the ICNCP, Article creased in the past few decades, as evidenced This checklist is formatted in keeping 21.11, stating that a name that is entirely in by the number of named cultivars on the with the recommendations and style of the Latin cannot be established after 1 Jan. 1959. market; in 1980, there were 29 named culti- ICNCP. Names are listed in alphabetical vars (Burns and Raulston, 1993), whereas order. The abbreviated reference for a name ‘Alba’ (Burns and Raulston, 1993): Cercis today there are more than 60. Redbuds are is placed in parentheses, followed by a de- siliquastrum. White-flowered Mediterra- now highlighted in several botanic gardens, scription provided by that source, if avail- nean redbud. Sold in Europe. Name reg- including the collection at the JC Raulston able, and other information including source, istered on 13 June 2016. Name not Arboretum which is a Nationally Accredited introducer, etc. The first reference listed is the established as it does not meet the pro- Plant Collection of the American Public first publication of the cultivar name. Other visions of the ICNCP, Article 21.11, stat- Gardens Association Plant Collections Net- publications are ones that we deemed pro- ing that a name that is entirely in Latin work (Weathington, 2009). In addition, over vided practical descriptive information for cannot be established after 1 Jan. 1959. the past several decades, the U.S. National nursery growers. Full reference information = ‘Albida’ Arboretum (USNA) has amassed a diverse is listed in the Literature Cited section when collection of Cercis collected in North America available. Synonyms are cited at the end of ‘Alley Cat’ (Pleasant Run Nursery Cata- each entry following the ‘‘equal’’ sign. Ac- log, Allentown, NJ, 2016): Variegated cepted (valid) cultivar names are designated eastern redbud with white splashes, re- in bold type and undetermined or unaccepted ported to be stable and scorch resistant. To Received for publication 5 Oct. 2017. Accepted for # # publication 29 Dec. 2017. names are in plain type. A total of eight 20 tall and 20 wide. Found by Alan Bush International Registration of Cultivar Names for Cercis taxa are referenced in this checklist: in an alley near his home in Kentucky. Cercis (redbuds). C. canadensis L.; C. canadensis L. var. Introduced by Harald Neubauer of Hidden 1Corresponding author. E-mail: Margaret.Pooler@ mexicana (Rose) M. Hopkins; C. canadensis Hollow Nursery. Name established on 13 ars.usda.gov. L. var. texensis (S. Watson) M. Hopkins; June 2016.
148 HORTSCIENCE VOL. 53(2) FEBRUARY 2018 ‘Amethyst Mist’ (Hatch, L. 2010. The margins. Named by J.C. Raulston but ‘Covey’ (U.S. Plant Patent #10328, 1998): redbuds: Varieties of the genus Cercis. propagation and distribution records Grows to 1.5-m tall and 2.5-m wide after Digital PDF eBook. TCR Press, Raleigh, uncertain; possibly lost to cultivation. 30 years; leaves are 7–10 cm long and NC): Leaves emerge white with green Name not established because cultivar 8–12 cm wide; flowers are strong reddish speckles, transitioning to green during the may not have still existed at time of purple (78B) (Werner, 2002): Weeping season. Plants grown at JC Raulston Ar- publication (ICNP, Article 27). eastern redbud found in Cornelia Covey’s boretum (North Carolina) came from garden in Westfield, NY, in the 1960s; Shadow Nursery, TN. May be the same as ‘Brandywine’ (Hatch, 2017): A selection propagated and patented by Tim Brotzman ‘Mardi Gras’. Name not established be- of C. chinensis listed without description (Madison, OH). It has wild-type flowers and cause electronic publication does not meet by Blue Horizon Nursery. Registered in abundant fruit. conditions of publication (ICNCP, Article 25). Open Registration of Cultivars online in 2015. Name not established as it was listed = ‘Fantasy Falls’ = (?) ‘Mardi Gras’ without a description (ICNCP, Article 27.1). ä ‘Bubble Gum’ (Hatch, L. 2010. The red- = ‘Covey’ Lavender Twist ‘Appalachian Red’ (Pleasant Run Nursery buds: Varieties of the genus Cercis. Digital ‘Crosswicks Red’ (Princeton Nurseries Catalog, Allentown, NJ, 2016): Eastern PDF eBook. TCR Press, Raleigh, NC): redbud to 20# tall and 20# wide with neon Catalog 2006–07): Eastern redbud with Likely an interspecific C. chinensis. Less flowers more red than the wild type. Grows pink flowers. Found by Dr. Max Byrkit in magenta, more pink flowers than wild-type # # # # Maryland. This cultivar was originally to 20 –30 tall and 20 –30 wide. Name C. chinensis. Named by John Allen of established on 11 Oct. 2016. named ‘Appalachia’ (Raulston, 1990), but Shiloh Nursery (Harmony, NC). Name not the introducer (Harald Neubauer) and most established because electronic publication ‘Don Egolf’ (Amer. Nurseryman 92 nursery catalogs and gardens list the plant as does not meet conditions of publication (12):28, 2000): Cercis chinensis. De- ‘Appalachian Red’ (American Gardener, (ICNCP, Article 25). ciduous, slow-growing, compact, multi- July/Aug. 2007). Thus, ‘Appalachian Red’ stemmed shrub to 9# tall and 9.5# wide at best preserves existing usage and is the ac- = ‘Big John’ 15 years; heavy, dark green, heart-shaped cepted name following provisions of the leaves; prolific, bright rosy mauve flowers ‘Carnea’ (Burns and Raulston, 1993): ICNCP (Art. 29.2). Name established on in early spring; seedless. Originated from Cercis siliquastrum with flowers lighter 13 June 2016. open pollinated seed collected from culti- pink than wild-type. Name not established vated plants growing in the urban and = ‘Appalachia’ as it does not meet the provisions of the suburban districts of Kunming, Yunnan, ICNCP, Article 21.11, stating that a name ‘Arborea’ (Burns and Raulston, 1993): People’s Republic of China. Released in that is entirely in Latin cannot be estab- Cercis chinensis. ‘‘Listed in Hortus Third July 2000 by Margaret Pooler and named lished after 1 Jan. 1959. with no information and does not seem to after renowned USNA plant breeder Donald now exist in cultivation. Name not estab- ‘Cascading Hearts’ (U.S. Plant Patent Egolf. Registered in 2000. Name estab- lished as it does not meet the provisions of #18528, 2008): Discovered in 1997 by lished on 15 June 2016. the ICNCP, Article 21.11, stating that Steven Bennett in Thompsons Station, TN; ‘Dwarf White’ (Fantz and Woody, 2005): a name that is entirely in Latin cannot be found to be more cold-hardy than ‘Trav- Small upright tree, 3–4 m tall, with white established after 1 Jan. 1959. eler’ with denser foliage and less sunscald flowers; (J. Environ. Hort. 27(1):12–16, than ‘Covey’; grows to 90-cm tall and ‘Avondale’ (Burns and Raulston, 1993): 2009) (Burns and Raulston, 1993): White- 110-cm wide after 5 years; leaves 7.2-cm Cercis chinensis. More floriferous chinese flowered eastern redbud with compact long and 8.4-cm wide; flowers close to redbud selected in Avondale, New Zealand. habit. Discovered in Illinois. Name estab- light purple (76A) (Pleasant Run Nursery Introduced by Duncan and Davies Nursery lished on 15 June 2016. Catalog, 2012): Weeping eastern redbud in New Zealand. Name established on 13 from Riverbend Nursery in Tennessee. June 2016. ‘Fantasy Falls’ (Hatch, L. 2010. The red- buds: Varieties of the genus Cercis. Digital ‘Celestial Plum’ (National Redbud ‘Bartlett King’ (Hatch, L. 2010. The red- PDF eBook. TCR Press, Raleigh, NC): Collection—North American Plant Collec- buds: Varieties of the genus Cercis. Digital Was a provisional name for ‘Covey’ Lav- tions Consortium Pamphlet, JC Raulston PDF eBook. TCR Press, Raleigh, NC): ender Twistä and was never officially used. Arboretum, Mar. 2010): Selection of C. Eastern redbud with pink flowers and re- glabra received at the JC Raulston Arbore- ä portedly sterile; originated with Bartlett = ‘Covey’ Lavender Twist tum in 2009; selected for blue-green foliage Tree Laboratories in Charlotte, NC, before and light plum-purple flowers; listed as a ‘Flame’ (J. Environ. Hort. 27(1):12–16, 1990. Name not established because elec- small multistemmed tree. Name not estab- 2009) (Werner, 2002): Double-flowered tronic publication does not meet condi- lished because pamphlet does not meet con- eastern redbud with 20–25 petals and ad- tions of publication (ICNCP, Article 25). ditions of publication (ICNCP, Article 25). ditional stamens; found in 1902 in Illinois ‘Big John’ (Heritage Seedlings & Liners and introduced by Louis Geraldi Nursery ‘Claremont’ (Burns and Raulston, 1993): Catalog, 2016–17): Floriferous C. chi- (O’Fallon, IL) in 1965. Observed to flower Cercis occidentalis. Deep magenta- nensis with pink flowers and rounded later and to be seedless. Name established flowered california redbud. Introduced by leaves. Name established on 1 Nov. 2017. on 11 Oct. 2016. Rancho Santa Anna Botanic Garden in = ‘Bubble Gum’ Claremont, CA. Name established on 13 ‘Floating Clouds’ (Hort. Res. 2:15049, June 2016. 2015): Eastern redbud with white/green ‘Bodnant’ (Burns and Raulston, 1993): leaf variegation (Friends of the JC Raulston Cercis siliquastrum with deep purple ‘Columbus’ (Hatch, L. 2010. The redbuds: Arboretum Newsletter Vol. 10, No. 2, Fall flowers. Originally planted in 1876 in Varieties of the genus Cercis. Digital PDF 2006): Variegated eastern redbud with Bodnant Garden, Wales. Sold commer- eBook. TCR Press, Raleigh, NC): Seed white and green sectoral blotches on leaves; cially in England. Name established on 11 strain of eastern redbud collected near Co- discovered by Don Black (Charlie’s Creek Oct. 2016. lumbus, WI, that is possibly hardy to USDA Nursery, Iva, SC); reportedly holds varie- Zone 4. Name not established because gation longer than ‘Silver Cloud’. Name ‘Bonita’ (Friends of the JC Raulston electronic publication does not meet con- establishedon11Oct.2016. Newsletter 13(1):8, 2009): Cercis cana- ditions of publication (ICNCP, Article 25). densis var. mexicana with exceptionally ‘Flora-Plena’ (Burns and Raulston, 1993): glossy leaves and regularly undulate = ‘Wisconsin’, Wisconsin strain Cercis siliquastrum with double flowers;
HORTSCIENCE VOL. 53(2) FEBRUARY 2018 149 may no longer be in cultivation. Name not after 4 years; new foliage emerges reddish than ‘Ruby Falls’, ‘JN2’, and ‘Forest established as it does not meet the pro- orange (31A), matures to brilliant greenish Pansy’, mature leaves upper surface close visions of the ICNCP, Article 21.11, stat- yellow (151D) in sun and to yellowish to deep reddish purple (N77A), veins close ing that a name that is entirely in Latin green (144A) in shade; flowers reddish to dark green (132A) and lower surface cannot be established after 1 Jan. 1959. purple (78B) (Redbud Resurgence, close to moderate yellowish green (138B) American Nurseryman, 1 Mar. 2006): Se- and moderate purplish red (59C), flowers ‘Forest Pansy’ (U.S. Plant Patent #2556, lection of eastern redbud with yellow vivid reddish purple (N74B). 1965): Leaves 4–6 inches long and 3.5–6 leaves; discovered by Jon Roethling in inches wide, leaves emerge glossy pansy Greensboro, NC; more vigorous and larger ‘Kay’s Early Hope’ (Pell and Nial, 2013): purple on the upper surface and lower leaves than most cultivars. A selection of C. chinensis found as surface, mature to glossy pansy purple on a chance seedling of wild-collected plant the upper and lower surface, with prom- ‘John Sjo’ (Hatch, 2017): Cercis cana- material at the JC Raulston Arboretum in inent veins showing a green coloration, densis with pale-pink flowers and lavender 2007; multistemmed large shrub or small later in the season leaves turn to spinach striping on young branches. Introduced tree growing to 5-m tall and 3.5-m wide green, on the upper surface and willow through Garden DebutÒ. Registered in after 10 years; flowers very early (February green on the lower surface with fusing of Open Registration of Cultivars online in or early March in North Carolina) and for grey light pansy purple, and petioles 2015. Name not established because elec- up to 8 weeks. Named for the late Kate showing a blending of garnet brown and tronic publication does not meet condi- Yow, head women’s basketball coach at pansy purple; flowers sparse and appear tions of publication (ICNCP, Article 25). North Carolina State University. Name before leaves in clusters, same size as wild- ä established on 11 Oct. 2016. type–colored rosy magenta; fruit: linear- = ‘John Sjo’ Cotton Candy oblong legume 2–3 inches long (color ‘Little Woody’ (U.S. Plant Patent #15854, ‘JN2’ (U.S. Plant Patent #21451, 2010): 2005): Found, named, and introduced by source not given) (Burns and Raulston, Selection of eastern redbud with orange- 1993): Eastern redbud with purple foliage Paul Woody (Fantz and Woody, 2005): to-yellow foliage with green speckles; Deciduous, compact, multistemmed tree, and wild-type flowers; found at Forest reportedly more drought tolerant than Nursery (McMinnville, TN) in 1947. 3.3-m tall and 3-m wide at 8 years; young ‘Hearts of Gold’; new foliage emerges branches are greenish (RHS 146A and ‘Fructu-Rubra’ (Burns and Raulston, brilliant orange yellow (23B), becoming 147B) becoming dark gray brown to brown 1993): Cercis siliquastrum with fruits brilliant greenish yellow (6C), and matures (201A), bark is grayish (197A); leaves are redder than wild-type; may no longer be in greenish yellow (151D), and eventually broadly ovate-cordate, 4–6 cm long and cultivation. Name not established as it does moderately yellowish green (139B) with 4–7 cm wide, entire and slightly turned not meet the provisions of the ICNCP, some lighter and darker speckling. Found downward at the margin, upper surface is Article 21.11, stating that a name that is in 2006 and introduced by Ray Jackson dark green (132A), bullate-rugose, and entirely in Latin cannot be established after and Cindy Jackson of Belvidere, TN. lower surface is pale with conspicuously 1 Jan. 1959. = ‘JN2’ The Rising Sunä reticulate veinlets; flowers purplish (81B-C) and calyx (71B-C). ‘Genpei’ (Wadl et al., 2012): Selection of ‘JN3’ (U.S. Plant Patent #22298, 2011): C. chinensis. No description given. Name Found as a branch sport of ‘JN2’ in 2008 ‘Mardi Gras’ (Shadow Nursery Catalog, not established as it was listed without by Ray Jackson and Cindy Jackson of Winchester, TN, 2016): Leaves open white a description (ICNCP, Article 27.1). Belvidere, TN; foliage appears similar in with new growth, a delicate pink. Slow growing. Name established on 13 June 2016. ‘Gold Crown’ (Hatch, L. 2010. The red- color to ‘JN2’, but also has a wavy, rugose, buds: Varieties of the genus Cercis. Digital green leaf margin (Pleasant Run Nursery = (?) ‘Amethyst Mist’ PDF eBook. TCR Press, Raleigh, NC): Catalog, 2012): Selection of eastern red- Redbud with gold foliage. Name not bud with bicolored leaves; a sport of ‘Merlot’ (U.S. Plant Patent #22297, 2011) established because electronic publication ‘JN2’; foliage has orange-to-yellow cen- (Werner and Snelling, 2010): Purple- ters with dark green rims; grows to 20# tall leaved redbud derived from an F2 pop- does not meet conditions of publication · (ICNCP, Article 25). and 18# wide. ulation of ‘Texas White’ ‘Forest Pansy’; hybridized initially in 1999 by ‘Gong Fen’ (Burns and Raulston, 1993): = ‘JN3’ Solar Eclipseä Dennis Werner and Layne Snelling at Cercis chingii with unknown characteris- ‘JN7’ (U.S. Plant Patent #25701, 2015): North Carolina State University, selected tics. Name not established as it was listed Found by Ray Jackson and Cindy Jackson in 2004 and released in 2009; leaves are without a description (ICNCP, Article 27.1). of Belvidere, TN, in 2007; found to be 12.8-cm long and 13.1-cm wide, the upper more upright and vase shaped than surface of emerging leaves is deep reddish ‘Greswan’ (U.S. Plant Patent #19654, purple (N77A) and the lower leaf surface is ‘Greswan’; branch angles of 45 from 2009): Eastern redbud with burgundy fo- dark red (59A); mature-to-moderate olive vertical, compared with 60 from vertical liage; found in a seedling crop in Park Hill green (137A); flowers light purple (N78C); for ‘Greswan’; grows to 6.0–7.5 m tall and (OK) in 2000; produces more new foliage upright growth and heat tolerance superior 2.8-m wide; leaves 13.6-cm wide and 13.6- than ‘Forest Pansy’, lower leaf surface is to ‘Forest Pansy’. burgundy, and mature foliage is darker cm tall; mature leaves upper surface green and more heart-shaped than ‘Forest moderate olive green (137A) and lower ʻMinrouge3’ (Hatch, 2017): A selection of Pansy’; grows to 6–7.6 m tall after 7 years; surface moderate yellowish green (138B) C. canadensis with leaves bright purplish mature upper leaf surface is dark red (183A) (Pleasant Run Nursery Catalog, 2016): red compared with purple as in ʻForest and mature lower leaf surface is dark red Selection of eastern redbud with upright Pansy’. Introduced by Minier Nurseries, (187A); flowers are deep purplish red (71A). vase-shaped habit and wild-type flowers; Anjou, France. Registered in Open Regis- # # ä grows to 30 tall and 15 wide. tration of Cultivars online in 2017. Name = ‘Greswan’ Burgundy Hearts not established because electronic publi- = ‘JN7’ Summer’s Towerä ‘Hearts of Gold’ (U.S. Plant Patent cation does not meet conditions of publi- #17740, 2007): Discovered in the Spring ‘JN16’ (U.S. Plant Patent #28627, 2017): cation (ICNCP, Article 25). · of 2002; appear to be more vigorous and Originated from the cross ‘Ruby Falls’ = ‘Minrouge3’ Red ForceÒ uniformly growing than ‘Forest Pansy’, ‘JN2’ made in 2012, found to be less ‘Appalachia’, ‘Covey’, and ‘Tennessee pendulous than ‘Ruby Falls’ and more ‘Morton’ (In Praise of Noble Trees, Michael Pink’; grows to 4-m tall and 4–4.5 m wide compact and longer leaf color retention Dirr, ASLA Lecture, 12–13 Sept. 2010):
150 HORTSCIENCE VOL. 53(2) FEBRUARY 2018 Selection of eastern redbud with deep 2002): Selection of eastern redbud with Article 21.11, stating that a name that is lavender-pink flowers, selected for very pale pink flowers; found in West entirely in Latin cannot be established after purple-black fruit; grows to 15#–25# tall Virginia and named after wife of discov- 1 Jan. 1959. and 15#–20# wide. Name not established erer; reportedly flowers later than species; because electronic publication does not introduced by Harald Neubauer (Hidden ‘Reznicek’ (https://jcra.ncsu.edu/resources/ meet conditions of publication (ICNCP, Hollow Nursery, Belvidere, TN). Name photographs/plants-results.php?serial = Article 25). established on 13 Oct. 2016. 127219): Cercis chinensis listed without description. Name not established because = ‘Morton’ Joy’s Prideä ‘Penduliflora’ (Burns and Raulston, 1993): electronic publication does not meet con- Selection of C. siliquastrum with drooping ditions of publication (ICNCP, Article 25). ‘Nana’ (Burns and Raulston, 1993): flowers and long pedicels; may no longer ‘Rosea’ (Raulston, 1990): Eastern redbud Cercis chinensis that grows 3#–4# tall. be in cultivation. Name not established as listed in Hortus Third without additional Name established on 13 Oct. 2016. it does not meet the provisions of the information. Name not established as it does ‘NC2007-8’ (Pleasant Run Nursery Cata- ICNCP, Article 21.11, stating that a name not meet the provisions of the ICNCP, Article log, 2016): Weeping selection of eastern that is entirely in Latin cannot be estab- 21.11, stating that a name that is entirely in redbud with variegated leaves; resulted lished after 1 Jan. 1959. Latin cannot be established after 1 Jan. 1959. from the hybrid of ‘Covey’ · ‘Silver ‘Pinkbud’ (Raulston, 1990): Eastern redbud ‘Royal White’ (Dirr, 1998) A selection of Cloud’ by Dennis Werner and Layne with pure pink flowers; found on Kansas City Eastern redbud with white flowers; found Snelling at North Carolina State Univer- # # estate. Name established on 13 Oct. 2016. in the wild at Parent Bluffs, IL, and se- sity; grows 8 tall and 6 wide. lected by Dr. J.C. McDaniel, University ‘Pink Heartbreaker’ (U.S. Plant Patent = ‘Whitewater’ of Illinois. Originally named ‘Royal’ #23043, 2012): Discovered in a cultivated (Raulston, 1990), but not currently found ‘NC2008-1’ (Pleasant Run Nursery Cata- area at Leesport, PA, found to be weeping in commerce or cultivation by that name. log, 2016): Selection of eastern redbud and grow more vigorously than ‘Covey’ Thus, ‘Royal White’ best preserves exist- with double flowers and glossy leaves; and ‘Cascading Hearts’ to 2.59 m after 3 ing usage and is the accepted name fol- · resulting from cross of ‘Flame’ ‘Okla- years, mature leaves—upper surface green lowing provisions of the ICNCP (Art. homa’ by Dennis Werner (North Carolina (137C) and lower surface lighter green 29.2). Name established on 13 Oct. 2016. State University) and Alex Neubauer (139C) (Dirr, M. 2010. In praise of noble (Hidden Hollow Nursery, Belvidere, TN); trees. ASLA Lecture, 12–13 Sept. 2010): = ‘Royal White’ A weeping selection of eastern redbud that flowers were larger and darker pink to ‘Rubra’ (Raulston, 1990): Cercis sili- is vigorous and has pink flowers; intro- purple than ‘Flame’; sterile; glossy leaves. quastrum from England; specimen on duced in 2010. = ‘Pink Pom Poms’ display at Wisley Gardens. Name not ‘Pink Pom Poms’ (U.S. Plant Patent established as it does not meet the pro- ‘NC-3’ (Werner, 2002): Cercis canadensis #27630, 2017): Derived from seed col- visions of the ICNCP, Article 21.11, stat- var. mexicana with pubescent stems and lected from ‘Flame’ thought to be fertil- ing that a name that is entirely in Latin leaves and purple fruit that persist; selected ized by ‘Oklahoma’, has glossy green cannot be established after 1 Jan. 1959. by J.C. Raulston, but not officially released. leaves [upper surface green (137A) and ‘Ruby Falls’ (U.S. Plant Patent #22097, ‘NCCC1’ (U.S. Plant Patent #27712, lower surface green (138A)], purple-violet 2011) (Werner and Snelling, 2010): 2017) (Pleasant Run Nursery Catalog, double flowers (N80A), and thought to be Purple-leaved weeping hybrid redbud de- 2016): Eastern redbud with variegated essentially sterile due to lack of observed rived from an F2 population of ‘Covey’ · tricolor leaves showing purple, pink, and fruit. Name registered 22 Nov. 2017. white margins; leaves mature to bronze ‘Forest Pansy’; hybridized in 2002 and green; grows to 30# tall and 25# wide; = ‘NC2008-1’ selected in 2006 by Dennis Werner and developed in a partnership between the Layne Snelling at North Carolina State North Carolina State University and North ‘Pink Trim’ (Descriptions of 51 NDSU University; leaves are 8.8-cm long and Carolina nurserymen. Woody Plant Introductions, Todd West, 10.1-cm wide; upper surface of emerging 2011): Selection of eastern redbud with ä # leaves is deep reddish purple (N77A) and = ‘NCCC1’ Carolina Sweetheart increased cold hardiness; grows to 20 tall; lower leaf surface is dark red (59A); green leathery leaves better than wild- mature-to-moderate olive green (137A); ‘Northern Strain’ [A.F. Fulcher and S.A. type; attractive pink flowers and fruit set White (eds.). 2012. IPM for select de- flowers strong reddish purple (78B); lateral reduced from wild-type; collaboratively branching superior to ‘Covey’. ciduous trees in Southeastern US nursery released by North Dakota State University production]: Selection of eastern redbud and Greg Morgenson, former manager at ‘Rubye Atkinson’ (Raulston, 1990): with increased cold hardiness; grows to 25# # Lincoln-Oakes Nurseries (Bismarck, ND) Eastern redbud with pure pink flowers. tall and 30 wide; selected by the University in 2009. Name not established because Name established on 13 Oct. 2106. of Minnesota. Name not established be- electronic publication does not meet con- ; cause the ICNCP prohibits the use of ditions of publication (ICNCP, Article 25). ‘Sanderson’ (http://home.earthlink.net/ ‘‘strain’’ in a cultivar name, unless pub- madronenursery/Trees/mex_redbud.html): A lished before 1996 (ICNCP, Article 21.17). = ‘Pink Trim’ Northern Heraldä selection of C. canadensis var. mexicana with grey-green pubescent leaves with un- = Northland Strain, MN Strain ‘Plena’ (Raulston, 1990): Eastern redbud dulate margins. Introduced by Madrone with semidouble flowers; probably differ- Nursery, San Marcos, TX, in 1990 and oc- ‘Oklahoma’ (Burns and Raulston, 1993): ent from ‘Flame’; originated before 1894. Cercis canadensis spp. texensis with casionally found in botanical collections. Name not established as it does not meet Accessed on 9 Sept. 2017. Name not estab- darker magenta-purple flowers and glossy the provisions of the ICNCP, Article leaves; found in the Arbuckle mountains of lished as electronic publication does not 21.11, stating that a name that is entirely in meet the conditions of publication (ICNP, Oklahoma and introduced by Warren & Latin cannot be established after 1 Jan. 1959. Son Nursery (Oklahoma City, OK) in Article 25). 1964. Name established on 13 Oct. 2016. ‘Pubescens’ (Raulston, 1990): Eastern = ‘Sanderson Selection’ ‘Pauline Lily’ (Hidden Hollow Nursery redbud with pubescence on the underside Catalog, 2011): A West Virginia in- of leaves. Name not established as it does ‘Shibamichi Red’ (National Redbud troduction with pale pink flowers (Werner, not meet the provisions of the ICNCP, Collection—North American Plant Collections
HORTSCIENCE VOL. 53(2) FEBRUARY 2018 151 Consortium Pamphlet, JC Raulston Arboretum, ‘Variegata’ (Burns and Raulston, 1993): A Burns, S. and J.C. Raulston. 1993. An updated Mar. 2010): Cercis chinensis with deep pink- selection of C. siliquastrum with varie- checklist of existing Cercis taxa. Proc. SNA red flowers. Name not established because gated leaves; may no longer be in culti- Res. Conf. 38:342–345. electronic publication does not meet condi- vation. Name not established as it does not Chen, D., D. Zhang, S.S. Larsen, and M.A. Vincent. tions of publication (ICNCP, Article 25). meet the provisions of the ICNCP, Article 2010. Cercis.In:Z.Y.Wu,P.H.Raven,and D.Y. Hong (eds.). Flora of China. Vol. 10. 21.11, stating that a name that is entirely in 24 Jan. 2018.
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