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TAXON:Strelitzia Juncea Link SCORE TAXON: Strelitzia juncea Link SCORE: -4.0 RATING: Low Risk Taxon: Strelitzia juncea Link Family: Strelitziaceae Common Name(s): crane flower Synonym(s): Strelitzia parvifolia var. juncea Ker StrelitziaGawl. reginae var. juncea (Ker Gawl.) H. E. Moore Assessor: Chuck Chimera Status: Assessor Approved End Date: 15 Mar 2017 WRA Score: -4.0 Designation: L Rating: Low Risk Keywords: Perennial Herb, Unarmed, Ornamental, Bird-Pollinated, Bird-Dispersed Qsn # Question Answer Option Answer 101 Is the species highly domesticated? y=-3, n=0 n 102 Has the species become naturalized where grown? 103 Does the species have weedy races? Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet (0-low; 1-intermediate; 2-high) (See Appendix 2) Intermediate tropical" for "tropical or subtropical" 202 Quality of climate match data (0-low; 1-intermediate; 2-high) (See Appendix 2) High 203 Broad climate suitability (environmental versatility) y=1, n=0 n Native or naturalized in regions with tropical or 204 y=1, n=0 n subtropical climates Does the species have a history of repeated introductions 205 y=-2, ?=-1, n=0 ? outside its natural range? 301 Naturalized beyond native range y = 1*multiplier (see Appendix 2), n= question 205 n 302 Garden/amenity/disturbance weed n=0, y = 1*multiplier (see Appendix 2) n 303 Agricultural/forestry/horticultural weed n=0, y = 2*multiplier (see Appendix 2) n 304 Environmental weed n=0, y = 2*multiplier (see Appendix 2) n 305 Congeneric weed n=0, y = 1*multiplier (see Appendix 2) n 401 Produces spines, thorns or burrs y=1, n=0 n 402 Allelopathic 403 Parasitic y=1, n=0 n 404 Unpalatable to grazing animals y=1, n=-1 y 405 Toxic to animals 406 Host for recognized pests and pathogens 407 Causes allergies or is otherwise toxic to humans 408 Creates a fire hazard in natural ecosystems y=1, n=0 n 409 Is a shade tolerant plant at some stage of its life cycle Creation Date: 15 Mar 2017 (Strelitzia juncea Link) Page 1 of 13 TAXON: Strelitzia juncea Link SCORE: -4.0 RATING: Low Risk Qsn # Question Answer Option Answer Tolerates a wide range of soil conditions (or limestone 410 y=1, n=0 n conditions if not a volcanic island) 411 Climbing or smothering growth habit y=1, n=0 n 412 Forms dense thickets y=1, n=0 n 501 Aquatic y=5, n=0 n 502 Grass y=1, n=0 n 503 Nitrogen fixing woody plant y=1, n=0 n Geophyte (herbaceous with underground storage organs 504 y=1, n=0 n -- bulbs, corms, or tubers) Evidence of substantial reproductive failure in native 601 y=1, n=0 n habitat 602 Produces viable seed y=1, n=-1 y 603 Hybridizes naturally 604 Self-compatible or apomictic 605 Requires specialist pollinators y=-1, n=0 y 606 Reproduction by vegetative fragmentation y=1, n=-1 n 607 Minimum generative time (years) 1 year = 1, 2 or 3 years = 0, 4+ years = -1 3 Propagules likely to be dispersed unintentionally (plants 701 y=1, n=-1 n growing in heavily trafficked areas) 702 Propagules dispersed intentionally by people y=1, n=-1 y 703 Propagules likely to disperse as a produce contaminant y=1, n=-1 n 704 Propagules adapted to wind dispersal y=1, n=-1 n 705 Propagules water dispersed y=1, n=-1 n 706 Propagules bird dispersed y=1, n=-1 y 707 Propagules dispersed by other animals (externally) y=1, n=-1 n 708 Propagules survive passage through the gut y=1, n=-1 y 801 Prolific seed production (>1000/m2) y=1, n=-1 n Evidence that a persistent propagule bank is formed (>1 802 yr) 803 Well controlled by herbicides 804 Tolerates, or benefits from, mutilation, cultivation, or fire Effective natural enemies present locally (e.g. introduced 805 biocontrol agents) Creation Date: 15 Mar 2017 (Strelitzia juncea Link) Page 2 of 13 TAXON: Strelitzia juncea Link SCORE: -4.0 RATING: Low Risk Supporting Data: Qsn # Question Answer 101 Is the species highly domesticated? n Source(s) Notes [No evidence of domestication] "This is a striking feature plant with upright cylindrical leaves without a leaf blade, growing from 1 to 2 m Winter, J. 2004. Strelitzia juncea Link PlantZAfrica. SANBI. in height and producing large orange or yellow flowers borne on https://www.plantzafrica.com/plantqrs/strelitzjun.htm. long, cylindrical scapes from May to October. Strelitzia juncea is one [Accessed 14 Mar 2017] of five Strelitzia species in southern Africa, namely S. alba, S. nicolai, S. reginae and S. caudata." 102 Has the species become naturalized where grown? Source(s) Notes WRA Specialist. 2017. Personal Communication NA 103 Does the species have weedy races? Source(s) Notes WRA Specialist. 2017. Personal Communication NA Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet Intermediate tropical" for "tropical or subtropical" Source(s) Notes "Native: Africa - Southern Africa: South Africa - Cape Province" [most USDA, ARS, Germplasm Resources Information Network. of the Western Cape experiences a maritime Mediterranean climate, 2017. National Plant Germplasm System [Online with the winter months wet and cool, the summer hot and dry.] Database]. http://www.ars-grin.gov/npgs/index.html. [Accessed 14 Mar 2017] 202 Quality of climate match data High Source(s) Notes USDA, ARS, Germplasm Resources Information Network. 2017. National Plant Germplasm System [Online Database]. http://www.ars-grin.gov/npgs/index.html. [Accessed ] Creation Date: 15 Mar 2017 (Strelitzia juncea Link) Page 3 of 13 TAXON: Strelitzia juncea Link SCORE: -4.0 RATING: Low Risk Qsn # Question Answer 203 Broad climate suitability (environmental versatility) n Source(s) Notes "Hardiness: Dave's Garden. 2017. Narrow-Leaved Bird of Paradise - USDA Zone 9b: to -3.8 °C (25 °F) Strelitzia juncea. USDA Zone 10a: to -1.1 °C (30 °F) http://davesgarden.com/guides/pf/go/2468/. [Accessed USDA Zone 10b: to 1.7 °C (35 °F) 15 Mar 2017] USDA Zone 11: above 4.5 °C (40 °F)" Backyard Gardener. 2017. Strelitzia juncea ( Juncus ). http://www.backyardgardener.com/plantname/strelitzia- "USDA Hardiness Zone: 10 to 11" juncea-juncus/. [Accessed 15 Mar 2017] Native or naturalized in regions with tropical or 204 n subtropical climates Source(s) Notes USDA, ARS, Germplasm Resources Information Network. "Native: Africa - Southern Africa: South Africa - Cape Province" [most 2017. National Plant Germplasm System [Online of the Western Cape experiences a maritime Mediterranean climate, Database]. http://www.ars-grin.gov/npgs/index.html. with the winter months wet and cool, the summer hot and dry.] [Accessed 15 Mar 2017] Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall Does the species have a history of repeated 205 ? introductions outside its natural range? Source(s) Notes Dave's Garden. 2017. Narrow-Leaved Bird of Paradise - "This plant has been said to grow in the following regions: Reseda, Strelitzia juncea. California Thousand Oaks, California Tulare, California Naples, http://davesgarden.com/guides/pf/go/2468/. [Accessed Florida Palm Beach, Florida Sebring, Florida Dayton, Nevada" 15 Mar 2017] 301 Naturalized beyond native range n Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall Wagner, W.L., Herbst, D.R.& Lorence, D.H. 2017. Flora of the Hawaiian Islands. Smithsonian Institution, No evidence to date Washington, D.C. http://botany.si.edu/. [Accessed 14 Mar 2017] 302 Garden/amenity/disturbance weed n Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 303 Agricultural/forestry/horticultural weed n Creation Date: 15 Mar 2017 (Strelitzia juncea Link) Page 4 of 13 TAXON: Strelitzia juncea Link SCORE: -4.0 RATING: Low Risk Qsn # Question Answer Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 304 Environmental weed n Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 305 Congeneric weed n Source(s) Notes [Strelitzia reginae recommended as a non-invasive alternative to Zantedeschia aethiopica] "This South African native is a member of Nursery & Garden Industry Australia. 2008. Grow Me the banana family. An evergreen perennial that will reach 1.5 to 2 m Instead - A Guide for Gardeners in Victoria. in most situations. It is grown for its spectacular flowers and used all http://www.growmeinstead.com.au/. [Accessed 15 Mar over the world for cut flower arrangements. It requires full-sun to 2017] part shade, warm temperatures and is extremely drought tolerant. Keep them crowded in pots for maximum number of blooms." Randall, R.P. (2017). A Global Compendium of Weeds. 3rd Strelitzia alba & Strelitzia reginae listed as weeds, but evidence of Edition. Perth, Western Australia. R.P. Randall impacts unconfirmed 401 Produces spines, thorns or burrs n Source(s) Notes [No evidence] "A perennial herb ϭʹϮm high, producing thick fleshy Winter, J. 2004. Strelitzia juncea Link PlantZAfrica. SANBI. roots and upright cylindrical leaves without a leaf blade. S. juncea https://www.plantzafrica.com/plantqrs/strelitzjun.htm. does not multiply by suckering from the base of the stem, but [Accessed 14 Mar 2017] subdivision takes place between the middle leaves of each fan." 402 Allelopathic Source(s) Notes WRA Specialist. 2017. Personal Communication Unknown. No evidence found 403 Parasitic n Source(s) Notes "A perennial herb ϭʹϮm high, producing thick fleshy roots and Winter, J. 2004.
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