49Th Annual Spring Plant Sale
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S. M. El Naggar & N. Sawady Pollen Morphology of Malvaceae and its taxonomic significance in Yemen Abstract El Naggar, S. M. & Sawady N.: Pollen Morphology of Malvaceae and its taxonomic signifi- cance in Yemen. — Fl. Medit. 18: 431-439. 2008. — ISSN 1120-4052. The pollen morphology of 20 species of Malvaceae growing in Yemen was investigated by light (LM) and scanning electron microscope (SEM). The studied taxa belong to 9 genera and three different tribes. These taxa are: Abelmoschus esculentus, Hibiscus trionum, H. micranthus, H. deflersii, H. palmatus, H. vitifolius, H. rosa-sinensis, H. ovalifolius, Gossypium hirsutum, Thespesia populnea (L.) Solander ex Correa and Senra incana (Cav.) DC. (Hibiscieae); Malva parviflora and Alcea rosea (Malveae); Abutilon fruticosum, A. figarianum, A. bidentatum, A. pannosum, Sida acuta, S. alba and S. ovata (Abutileae). Pollen shape, size, aperture, exine structure and sculpturing as well as the spine characters proved that they are of high taxonom- ic value. Pollen characters with some other morphological characters are discussed in the light of the recent classification of the family in Yemen. Key words: Malvaceae, Morphology, Yemen. Introduction Malvaceae Juss. (s. str.) is a large family of herbs, shrubs and trees; comprising about 110 genera and 2000 species. It is a globally distributed family with primary concentrations of genera in the tropical and subtropical regions (Hutchinson 1967; Fryxell 1975, 1988 & 1998; Heywood 1993; La Duke & Doeby 1995; Mabberley 1997). Due to the high economic value of many taxa of Malvaceae (Gossypium, Hibiscus, Abelmoschus and Malva), several studies of different perspective have been carried out, such as those are: Edlin (1935), Bates and Blanchard (1970), Krebs (1994a, 1994b), Ray (1995 & 1998), Hosni and Araffa (1999), El Naggar (1996, 2001 & 2004), Pefell & al. -
Hollyhock Rust Caroline Jackson and Josephine Mgbechi-Ezeri
Sample of the week: Hollyhock rust Caroline Jackson and Josephine Mgbechi-Ezeri Have strange orange and brown bumps plagued your flower beds this year? The prolonged cool temperatures and heavy precipitation this spring have allowed fungal pathogens to flourish. Here is one heavy infestation of Hollyhock rust, a disease that is caused by the fungal pathogen Puccinia malvacearum. Common hosts include Alcea rosea, (hollyhock), Abutilon spp. (flowering maple), Malvaceae spp. (rose mallow), Figure 1. Yellow spots on upper leaf surface Photo Credit: and common weed mallow. It is Caroline Jackson, University of Missouri Plant Diagnostic Clinic one of the most common diseases of hollyhock. Symptoms of the disease include the yellow to red spots on upper leaf surface, and brown pustules that appear blister-like occur on lower leaf surface and stem. Leaves that are heavily infected often wilt, turn brown and die. This disease is the most common of hollyhock and can spread rapidly from leaf to leaf. The fungus overwinters in the infected plant materials, and in the spring produce spores that are dispersed by wind to initiate infection on new plants. Figure 2. Orange brown pustules on underside of leaf Photo Credit: Caroline Jackson, University of Missouri Plant Diagnostic Clinic For appropriate diagnosis, the MU Plant Diagnostic Clinic can help you confirm if your plant has this disease. Please visit our website http://plantclinic.missouri.edu/ and follow the instructions for collecting, packaging and shipping samples to the clinic. More Resources about Hollyhock Rust: http://www.missouribotanicalgarde n.org/gardens-gardening/your- garden/help-for-the-home- gardener/advice-tips- Figure 3. -
51St Annual Spring Plant Sale at the Arboretum’S Red Barn Farm
51st Annual Spring Plant Sale at the Arboretum’s Red Barn Farm Saturday, May 11 and Sunday, May 12, 2019 General Information Table of Contents Saturday , May 11, 9 am to 4 pm Shade Perennials ………………… 2-6 Sunday, May 12, 9 am to 4 pm Ferns………………………………. 6 Sun Perennials……………………. 7-14 • The sale will be held at the Annuals…………………………… 15-17 Arboretum’s Red Barn Farm adjacent to the Annual Grasses……………………17 Tashjian Bee and Pollinator Discovery Center. Enter from 3-mile Drive or directly from 82nd Martagon Lilies…………………... 17-18 Street West. Paeonia (Peony)…………………... 18-19 • No entrance fee if you enter from 82nd Street. Roses………………………………. 20 • Come early for best selection. We do not hold Hosta………………………………. 21-24 back items or restock. Woodies: • Entrances will open at 7:30 if you wish to Vines……………………….. 24 arrive early. No pre-shopping on the sale Trees & Shrubs…………… 24-26 grounds Minnesota Natives………………… 26-27 • Our wagons are always in short supply. Please Ornamental Grasses……………… 27-28 bring carrying containers for your purchases: Herbs………………………………. 29-30 boxes, wagons, carts. Vegetables…………………………. 30-33 • There will be a pickup area where you can drive up to load your plants. • There will be golf carts and shuttles to drive you to and from your vehicle. • Food truck(s) will be on site. Payment • You can assist us in maximizing our The Minnesota Landscape Arboretum support of the MLA by using cash or checks. 3675 Arboretum Drive, Chaska, MN 55318 However, if you wish to use a credit card, we Telephone: 952-443-1400 accept Visa, MasterCard, Amex and Discover. -
Determining Heavy Metal Contents of Hollyhock (Alcea Rosea L.) in Roadside Soils of a Turkish Lake Basin
Pol. J. Environ. Stud. Vol. 27, No. 5 (2018), 2081-2087 DOI: 10.15244/pjoes/79270 ONLINE PUBLICATION DATE: 2018-05-09 Original Research Determining Heavy Metal Contents of Hollyhock (Alcea rosea L.) in Roadside Soils of a Turkish Lake Basin Ilhan Kaya1*, Füsun Gülser2 1Yuzuncu Yil University Agriculture Faculty, Department of Plant Protection, Van, Turkey 2Yuzuncu Yil University Agriculture Faculty, Department of Soil Science, Van, Turkey Received: 3 September 2017 Accepted: 26 October 2017 Abstract This study was carried out to determine the heavy metal contents of hollyhock (Alcea rosea L.) in roadside soils of Van Lake Basin. The leaf samples of the hollyhock were taken from the roadside areas affected by heavy metal pollution due to intensive motorized traffic and from areas 30 m from the roadside by taking into account prevailing wind direction in 10 different locations. There were only significant differences for Mn, Cu, and Zn contents of leaves according to the sampling locations. The mean Fe (383.3 mg kg-1), Mn (50.2 mg kg-1), Cu (19.2 mg kg-1), Zn (23.9 mg kg-1), Cd (17.9 mg kg-1), Cr (5.1 mg kg-1), Ni (3.2 mg kg-1), and Pb (3.2 mg kg-1) contents of leaves sampled from roadside areas were significantly higher than mean heavy metal contents of leaves sampled from the areas 30 m from the roadside. The increasing ratios in mean heavy metal contents of leaves were ordered as Cd (309.3%) > Cr (248.9%) > Ni (130.6%) > Fe (75.9%) > Pb (64.3%) > Mn (40.6%) > Cu (26.1%) > Zn (22.7%). -
Fragrant Annuals Fragrant Annuals
TheThe AmericanAmerican GARDENERGARDENER® TheThe MagazineMagazine ofof thethe AAmericanmerican HorticulturalHorticultural SocietySociety JanuaryJanuary // FebruaryFebruary 20112011 New Plants for 2011 Unusual Trees with Garden Potential The AHS’s River Farm: A Center of Horticulture Fragrant Annuals Legacies assume many forms hether making estate plans, considering W year-end giving, honoring a loved one or planting a tree, the legacies of tomorrow are created today. Please remember the American Horticultural Society when making your estate and charitable giving plans. Together we can leave a legacy of a greener, healthier, more beautiful America. For more information on including the AHS in your estate planning and charitable giving, or to make a gift to honor or remember a loved one, please contact Courtney Capstack at (703) 768-5700 ext. 127. Making America a Nation of Gardeners, a Land of Gardens contents Volume 90, Number 1 . January / February 2011 FEATURES DEPARTMENTS 5 NOTES FROM RIVER FARM 6 MEMBERS’ FORUM 8 NEWS FROM THE AHS 2011 Seed Exchange catalog online for AHS members, new AHS Travel Study Program destinations, AHS forms partnership with Northeast garden symposium, registration open for 10th annual America in Bloom Contest, 2011 EPCOT International Flower & Garden Festival, Colonial Williamsburg Garden Symposium, TGOA-MGCA garden photography competition opens. 40 GARDEN SOLUTIONS Plant expert Scott Aker offers a holistic approach to solving common problems. 42 HOMEGROWN HARVEST page 28 Easy-to-grow parsley. 44 GARDENER’S NOTEBOOK Enlightened ways to NEW PLANTS FOR 2011 BY JANE BERGER 12 control powdery mildew, Edible, compact, upright, and colorful are the themes of this beating bugs with plant year’s new plant introductions. -
Plant List 2011
! Non-Arboretum members who spend $25 at Saturday’s Plant Sale receive a coupon for a future free visit to the Arboretum! (One per Person) University of Minnesota ASTILBE chinensis ‘Veronica Klose’ (False Spirea)--18-24” Intense red-purple plumes. Late summer. Shade Perennials ASTILBE chinensis ‘Vision in Pink’ (False Spirea)--18” Sturdy, upright pink plumes. Blue-green foliage. M. Interest in Shade Gardening continues to grow as more homeowners are finding ASTILBE chinensis ‘Vision in Red’ (False Spirea)--15” Deep red buds open their landscapes becoming increasingly shady because of the growth of trees and to pinky-red flowers. Bronze-green foliage. July. shrubs. Shade plants are those that require little or no direct sun, such as those in ASTILBE chinensis ‘Vision in White’ (False Spirea)--18-24” Large creamy- northern exposures or under trees or in areas where the sun is blocked for much of the white plumes. Smooth, glossy, green foliage. July. day. Available from us are many newly introduced plants and old favorites which can ASTILBE chinensis ‘Visions’ (False Spirea)--15” Fragrant raspberry-red add striking foliage and appealing flowers to brighten up your shade garden plumes. Deep green foliage. M. You will find Shade Perennials in the SHADE BUILDING. ASTILBE japonica ‘Montgomery’ (False Spirea)--22” Deep orange-red ACTAEA rubra (Red Baneberry)--18”Hx12’W Clumped bushy appearance. In spring plumes on dark red stems. M. bears fluffy clusters of small white flowers producing shiny red berries which are toxic. ASTILBE simplicifolia ‘Key Largo’ (False Spirea)--15-20” Reddish-pink flow- ers on red stems. -
HOLLYHOCK-PINK Alcea Rosea Characteristics Culture Noteworthy
HOLLYHOCK-PINK Alcea rosea Characteristics Type: Perennial Water: Medium Zone: 2 to 10 Maintenance: High Height: 6.00 to 8.00 feet Suggested Use: Annual, Naturalize Spread: 1.00 to 2.00 feet Flower: Showy Bloom Time: June to August Attracts: Hummingbirds, Butterflies Bloom Description: White, pink, & red Tolerate: Rabbit, Black Walnut Sun: Full sun Culture Grow in average, medium moisture, well-drained soil in full sun. Tolerates a wide range of soil conditions and some light shade, but will not tolerate wet winter soils. Considered a biennial or short-lived perennial. If grown from seed, plant seeds in August or September for bloom the following year. Although short- lived, hollyhocks easily self-seed and can establish colonies in the garden that persist for years as if they were perennials. Noteworthy Characteristics Alcea rosea, commonly called hollyhocks, are old garden favorites. The flowers grow on rigid, towering spikes or spires which typically reach a height of 5-8' tall and usually do not require staking. Foliage features large, heart-shaped (3, 5 or 7 lobes), rough lower leaves which become progressively smaller toward the top of the spire. Long bloom period of June to August. Sometimes listed in nursery catalogs under Althaea. This is a mix of plants which produce huge (4-5" diameter), outward-facing, single flowers in a wide variety of colors including reds, pinks, whites, and light yellows. Problems Foliage is susceptible to rust, leaf spot and anthracnose. Spider mites and Japanese beetle can also be problems. Foliage can become rather tattered and unkempt in appearance when attacked by the aforementioned insects and/or diseases, but the flowers generally are not affected. -
Lab Manual) • Botanical Names/Terms of the Respective Cell Or Tissue Parts That You Observe and Illustrate (Taken from the Lab Manual)
BIOL 154 |Laboratory Manual Alexey Shipunov1 Cyril Moore, Room 210 Last modified 2018/10/16 1Links in this PDF are active, you may click on them. Contents 1 Prairie 3 1.1 Assignment and report....................................3 1.2 Background information...................................4 1.2.1 How to distinguish families..............................4 1.2.2 Abundance scores...................................5 1.2.3 Coverage scores....................................5 2 Prairie excursion 7 2.1 Background..........................................7 2.2 Assignment..........................................7 3 MSU Tree Campus Project. Training8 3.1 Background..........................................8 3.2 Assignment..........................................8 4 MSU Tree Campus Project. Trees9 4.1 Background..........................................9 4.2 Assignment..........................................9 5 Herbarium collection 11 5.1 Background.......................................... 11 5.2 Assignment.......................................... 11 6 Flowers 12 6.1 Background.......................................... 12 6.1.1 Flower terms..................................... 12 6.1.2 Flower formulas.................................... 13 6.1.3 How to make flower diagram............................. 14 6.1.4 Four diagrams of different plants.......................... 15 6.2 Assignment.......................................... 16 7 Sensitive plant 17 7.1 Background.......................................... 17 7.2 Assignment......................................... -
Just Spines-Mechanical Defense of Malvaceous Pollen Against Collection by Corbiculate Bees Klaus Lunau, Vanessa Piorek, Oliver Krohn, Ettore Pacini
Just spines-mechanical defense of malvaceous pollen against collection by corbiculate bees Klaus Lunau, Vanessa Piorek, Oliver Krohn, Ettore Pacini To cite this version: Klaus Lunau, Vanessa Piorek, Oliver Krohn, Ettore Pacini. Just spines-mechanical defense of mal- vaceous pollen against collection by corbiculate bees. Apidologie, Springer Verlag, 2015, 46 (2), pp.144-149. 10.1007/s13592-014-0310-5. hal-01284432 HAL Id: hal-01284432 https://hal.archives-ouvertes.fr/hal-01284432 Submitted on 7 Mar 2016 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Apidologie (2015) 46:144–149 Original article * INRA, DIB and Springer-Verlag France, 2014 DOI: 10.1007/s13592-014-0310-5 Just spines—mechanical defense of malvaceous pollen against collection by corbiculate bees 1 1 1 2 Klaus LUNAU , Vanessa P IOREK , Oliver KROHN , Ettore PACINI 1Institut für Sinnesökologie, Department Biologie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany 2Dipartimento di Scienze della vita, Universita’ di Siena, Via P.A. Mattioli 4, 53100, Sienna, Italy Received 28 January 2014 – Revised 6 May 2014 – Accepted 21 July 2014 Abstract – Bee-pollinated plants face the dilemma that bees do not only transport pollen grains between flowers as pollen vectors but also collect large amounts of pollen that is withdrawn from pollination. -
Trial Report
TRIAL REPORT 2005-2008 Sempervivum Trials Office The Royal Horticultural Society Garden, Wisley, Woking, Surrey, GU23 6QB Sempervivum Final Report 2005-2008 - Trial 942 1 Trial of Sempervivum AGM 2005-2008 AGM Entries receiving The Award of Garden Merit (H4) Sempervivum arachnoideum AGM (H4) 1993, reconfirmed 2008. Sent by Fernwood Nursery and by Beechcroft Nursery. [Trial Nos.1 & 2]. Votes 8-0. Stunning plant for the garden and trough. Withstood winter well. Well defined rosettes. Reliable species. Widely available from nurseries – see RHS Plant Finder Sempervivum arachnoideum L. subsp. tomentosum AGM (H4) 1993, reconfirmed 2008. Sent by Royal Botanic Garden Kew. Average diameter of a mature but unflowered rosette is 10mm; foliage in July is green 138B, flushed reddish brown 178B on underside of outer leaves, shortly hairy and strongly cobwebbed; flowers are a duller version of Pink 58C. Very attractive. Has lovely purple colouring in spring. Widely available from nurseries – see RHS Plant Finder Sempervivum calcareum 'Extra' AGM (H4) 2008 Sent by Fernwood Nursery. The many-leaved, mature but unflowered rosettes average 20mm in diameter; foliage in July is green 138B tipped very dark red 187A and the leaves are very shortly hairy, glaucescent with ciliate fringed edges; the inflorescence is glandular and tacky; flowers are white NN155C flushed light green toward tip and pink at base; filaments reddish purple 64B, anthers yellow. Outstanding colour and habit. Consistently good throughout the trail. Widely available from nurseries – see RHS Plant Finder 2 Sempervivum calcareum 'Guillaumes' AGM (H4) 2008. Sent by Fernwood Nursery. Entered as S. calcareum from Guillaumes and named by sender. -
An Unusual Hollyhock. the Flowers of Late Summer May Be Colourful but They Do Not Stir the Heart Like the Jewels of Spring and the Rich Opulence of June
An Unusual Hollyhock. The flowers of late summer may be colourful but they do not stir the heart like the jewels of spring and the rich opulence of June. However there is one late summer plant which always attracts interest and covetousness. X Alcalthaea ‘Parkallee’ looks like a hollyhock but in fact it is not. It flowers in August and September when the hollyhocks are all but finished. This gorgeous plant is sometimes listed as an Alcea, (hollyhock) and sometimes as a Malva, (mallow). It is neither of these; nor is it a Lavatera or a Kitaibelia which has similar shaped flowers. It is genetically close to all of these, as it is said to be a hybrid between Alcea rosea, (hollyhock) and Althaea officinalis. (Marshmallow.) Its correct name is x Alcalthaea suffrutescens ‘Parkallee’. Marshmallow is an increasingly rare wild flower although I have seen it growing wild in marshy ground around Dunwich. It has healthy blue-green leaves and pale pink flowers. There is though, a great deal of confusion about the parentage of ‘Parkallee’. It has been suggested that rather than marshmallow it could be a cross between Kitaibelia vitifolia and Alcea rosea. The flowers certainly look very similar to those of a Kitaibelia. Another suggestion is that it is a cross between Alcea rosea and Althaea cannabina. I have even seen it suggested on a French website that it is a cross between a hollyhock and Hibiscus syriacus. It is difficult to understand why there is so much confusion about the parentage because it was bred in Hungary in 1953 by Prof. -
Temperature Impacts Cactus and Succulent Development Rate
Temperature Impacts Cactus and Succulent research summarized here was to determine temperature effects (10 to Development Rate 28 °C) on cacti and succulent de- velopment rate to determine appro- priate greenhouse temperatures and/ John Erwin1,4, Ken Altman2, and Fran Esqueda3 or optimal geographic locations to produce these crops. ADDITIONAL INDEX WORDS. leaf unfolding, tubercle unfolding, Echeveria, Aloe, Materials and methods Crassula Three hundred sixty plants of 17 SUMMARY. One cactus and 17 succulent species/cultivars were grown at 10, 16, 22, ° two-year-old vegetatively propagated or 28 C (plant temperature) for 10 or 15 weeks. The change in leaf/tubercle succulent plant types and one sexually number at each temperature (after 10 or 15 weeks) was determined, and leaf/ tubercle-unfolding rate was calculated. ‘Jade Necklace’ kebab bush (Crassula propagated cactus species grown in rupestris ssp. marnieriana), ‘Lola’ echeveria (Echeveria), ‘Green Ice’ gasteraloe three 1/2-inch-diameter plastic pots (Gasteraloe), and lithops (Lithops species) leaf-unfolding rate per day was unaffected in a soilless media were received from by temperature. Leaf-unfolding rate per day increased as temperature increased Altman Plants, Inc., Vista, CA [20 from 10 to 16 °C on ‘Firebird’ aloe (Aloe), ‘Key Lime Pie’ adromischus (Adromi- plants of each species/cultivar (Table schus cristatus), prostate rainbow bush (Portulacaria afra variegata), burro’s tail 1)]. Plants were unpacked and accli- (Sedum burrito), and ‘Sir William Lawrence’ houseleek (Sempervivum