Sorbus decora

• Overview
• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Overview

Interesting Facts

Common Names

Description

Family Rosaceae

Trees , shrubs , or herbs, deciduous or evergreen . Stems erect , scandent , arching , prostrate , or creeping , armed or unarmed . Buds usually with several exposed scales , sometimes with only 2. Leaves alternate, rarely opposite, simple or compound ; stipules paired , free or adnate to petiole , rarely absent, persistent or deciduous; petiole usually 2-glandular apically; leaf blade often serrate at margin , rarely entire. Inflorescences various, from single flowers to umbellate , corymbose , racemose or cymose-paniculate. Flowers usually actinomorphic , bisexual , rarely unisexual and then plants dioecious. Hypanthium (formed from basal parts of sepals, petals, and stamens) free from or adnate to ovary, short or elongate . Sepals usually 5, rarely fewer or more, imbricate; epicalyx segments sometimes also present. Petals as many as sepals, inserted below margin of disk, free, imbricate, sometimes absent. Disk lining hypanthium, usually entire, rarely lobed . Stamens usually numerous , rarely few, always in a complete ring at margin of or above disk; filaments usually free, very rarely connate ; anthers small, didymous , rarely elongate, 2-locular. Carpels 1 to many, free, or ± connate and then adnate to inner surface of cupular receptacle; ovary inferior, semi-inferior, or superior; ovules usually 2 in each carpel, rarely 1 or several, anatropous , superposed . Styles as many as carpels, terminal , lateral , or basal, free or sometimes connate. Fruit a follicle, pome, achene, or drupe, rarely a capsule, naked or enclosed in persistent hypanthium and sometimes also by sepals. Seeds erect or pendulous, sometimes winged , usually exalbuminous , very rarely with thin endosperm; cotyledons mostly fleshy and convex abaxially, rarely folded or convolute.

Between 95 and 125 genera and 2825-3500 species: cosmopolitan , mostly in N temperate zone; 55 genera (two endemic) and 950 species (546 endemic) in China.

Many plants of this family are of economic importance and contribute to people s livelihoods. The Rosaceae contain a great number of fruit trees of temperate regions . The fruits contain vitamins, acids, and sugars and can be used both raw and for making preserves, jam, jelly, candy, various drinks, wine, vinegar, etc. The dried fruits of the genera

Amygdalus and Armeniaca are of high commercial value. Some plants in the genus Rosa containing essential oils or with a high vitamin content are used in industry . Rosaceae wood is used for making various articles, stems and roots are used for making tannin extract, and young leaves are used as a substitute for tea. Numerous species are used for medical purposes or are cultivated as ornamentals .

The Rosaceae are very well represented in China, with great economic and scientific importance. The Co-chairs of the Editorial Committee (Wu and Raven) here note that the patterns of relationship are complex and the group is taxonomically difficult. [1]

Genus Sorbus

Trees or shrubs , usually deciduous. Winter buds usually rather large, ovoid , conical , or spindle-shaped , sometimes viscid ; scales imbricate, several, glabrous or pubescent . Leaves alternate, membranous or herbaceous; stipules caducous , simple or pinnately compound , plicate or rarely convolute in bud; leaf blade usually serrate, sometimes nearly entire, venation craspedodromous or camptodromous , glabrous or pubescent. Inflorescences compound , rarely simple corymbs or panicles. Hypanthium campanulate , rarely obconical or urceolate . Sepals 5, ovate or triangular, glabrous, pubescent, or tomentose , sometimes glandular along margin . Petals 5, glabrous or pubescent, base clawed or not. Stamens 15-25(-44) in 2 or 3 whorls, unequal in length ; anthers ovoid or subglobose. Carpels 2-5, partly or wholly adnate to hypanthium; ovary semi-inferior to inferior, 2-5-(-7) loculed, with 2 or 3(or 4) ovules per locule, one usually abortive ; styles 2-5, free or partially connate , glabrous or pubescent. Fruit a pome, white, yellow, pink, or brown to orange or red, ovoid or globose to ellipsoid or oblong , usually small, glabrous or pubescent, laevigate or with small lenticels , apically with sepals persistent or caducous leaving an annular scar , with 2-5(-7) locules, each with 1 or 2 exendospermous seeds; seeds several, with thin perisperm and endosperm enclosing embryo with compressed cotyledons.Trees or shrubs, usually deciduous. Winter buds usually rather large, ovoid, conical, or spindle-shaped, sometimes viscid; scales imbricate, several, glabrous or pubescent. Leaves alternate, membranous or herbaceous; stipules caducous, simple or pinnately compound, plicate or rarely convolute in bud; leaf blade usually serrate, sometimes nearly entire, venation craspedodromous or camptodromous, glabrous or pubescent. Inflorescences compound, rarely simple corymbs or panicles. Hypanthium campanulate, rarely obconical or urceolate. Sepals 5, ovate or triangular, glabrous, pubescent, or tomentose, sometimes glandular along margin. Petals 5, glabrous or pubescent, base clawed or not. Stamens 15-25(-44) in 2 or 3 whorls, unequal in length; anthers ovoid or subglobose. Carpels 2-5, partly or wholly adnate to hypanthium; ovary semi-inferior to inferior, 2-5-(-7) loculed, with 2 or 3(or 4) ovules per locule, one usually abortive; styles 2-5, free or partially connate, glabrous or pubescent. Fruit a pome, white, yellow, pink, or brown to orange or red, ovoid or globose to ellipsoid or oblong, usually small, glabrous or pubescent, laevigate or with small lenticels, apically with sepals persistent or caducous leaving an annular scar, with 2-5(-7) locules, each with 1 or 2 exendospermous seeds; seeds several, with thin perisperm and endosperm enclosing embryo with compressed cotyledons.

About 100 species: widely distributed throughout temperate regions of Asia, Europe, and North America; 67 species (43 endemic) in China.

Sorbus species are ornamental plants with attractive, large clusters of white flowers, and most bear colorful fruits. The fruits can be used for making jam, marmalade, various drinks, wine, vinegar, etc. The wood is hard, heavy, and fine-grained, suitable for making furniture or small, carved articles.[2]

Physical Description

Habitat

Typically found at an altitude of 0 to 678 meters (0 to 2,224 feet).[3]

Biology

Growth

Culture: Space 15-20' apart.

Soil: Minimum pH: 5.1 • Maximum pH: 7.8

Sunlight: Sun Exposure: Sun to Partial Shade.

Temperature: Cold Hardiness: 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b. (map)

Taxonomy

Synonyms

Aucuparia subvestita (Greene) Nieuwl. • Pyrus americana (Marshall) Dc. Var. decora Sarg. • Pyrus americana var. decora Sarg. • Pyrus decora (Sarg.) Hyland • Pyrus dumosa (Greene) Fernald • Pyrus sambucifolia S. Watson & J. M. Coult. • Pyrus sitchensis B. L. Rob. & Fernald • Pyrus subvestita (Greene) Farw. • Sorbus americana Pursh • Sorbus americana var. decora Sarg. • Sorbus americana var. sitchensis (M. Roem.) Sudw. • Sorbus dumosa House • Sorbus sambucifolia Dippel • Sorbus scopulina Hough • Sorbus subvestita Rosend. & Butters

Notes

Name Status: Accepted Name .

Last scrutiny: 2009

Similar Species

Members of the genus Sorbus

ZipcodeZoo has pages for 50 species, subspecies, varieties, forms, and cultivars in this genus:

S. alnifolia (Korean Mountain Ash) · S. americana (American Mountain Ash) · S. aria (Chess-Apple) · S. aria 'Lutescens' (Whitebeam) · S. arnoldiana (Sorbus) · S. aucuparia (European Mountain Ash) · S. aucuparia x intermedia (European Mountain-Ash) · S. aucuparia 'Asplenifolia' (European Mountain Ash) · S. aucuparia 'Fastigiata' (European Mountain Ash) · S. aucuparia 'Michred' (Cardinal Royal Mountain Ash) · S. aucuparia 'Pendula' (European Mountain Ash) · S. austriaca (Austrian Mountain Ash) · S. californica (California Mountain Ash) · S. cashmiriana (Kashmir Rowan) · S. commixta (Japanese Mountain Ash) · S. decora (Northern Mountain Ash) · S. discolor (Chinese Scarlet Rowan) · S. domestica (Jerusalem Pear) · S. dumosa (Arizona Mountain Ash) · S. groenlandica (Greenland Mountain Ash) · S. hibernica (Irish Whitebeam) · S. hupehensis (Chinese Mountain Ash) · S. hupehensis coral (Coral Fire Mountain Ash) · S. hupehensis 'Coral Fire' (Chinese Mountain Ash) · S. hupehensis 'Pink Pagoda' (Chinese Mountain Ash) · S. hybrida (Oakleaf Mountain Ash) · S. intermedia (Swedish Whitebeam) · S. latifolia (French Hales) · S. leighensis (Leigh Woods Whitebeam) · S. leyana (Ley's Whitebeam) · S. pohuashanensis (Mountain Ash) · S. prattii (Mountain Ash) · S. pseudofennica (Arran Service Tree) · S. reducta (Chinese Dwarf Mountain Ash) · S. rehderiana (Mountain Ash) · S. rufoferruginea 'Longwood Sunset' (Mountain Ash) · S. sambucifolia (Siberian Mountain Ash) · S. scopulina (Cascade Mountain-Ash) · S. sitchensis (Sitka Mountain-Ash) · S. thuringiaca (Mountainash) · S. torminalis (Checkertree) · S. × avonensis (Avon Gorge Whitebeam) · S. × houstoniae (Houston's Whitebeam) · S. x kewensis (Mountain Ash) · S. × proctoris (Proctor's Rowan) · S. × robertsonii (Robertson's Whitebeam) · S. x thuringiaca (Oakleaf Mountain Ash) · S. x thuringiaca 'Fastigiata' (Oakleaf Mountain Ash) · S. 'Ghose' (Naga Mountain Ash) · S. 'Joseph Rock' (Joseph Rock Mountain Ash)

More Info

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Further Reading

• Aristocrats of the garden, by Ernest H. Wilson. .. Garden City, N.Y., Doubleday, Page & company[c1917] url p. 310, p. 310.
• Common and scientific names of weeds in Canada = Noms populaires et scientifiques des plantes nuisibles du Canada / Ottawa: Agriculture and Agri-Food Canada = Agriculture et agroalimentaire Canada, c2000. url p. 130.
• Flora of Berkshire County, Massachusetts. Boston, Printed for the Society, 1922. url , p. 285.
• Flora of Indiana, by Charles C. Deam. Indianapolis, Wm. B. Burford printing co., contractor for state printing and binding, 1940. url p. 1059, p. 529, p. 530.
• Flora of the Queen Charlotte Islands. [Ottawa: Queen's Printer], 1968-. url p. 414.
• Handbook of the trees of the northern states and Canada east of the Rocky Mountains, photo-descriptive / Lowville, N.Y.: Romeyn Beck Hough, 1907. url .
• Journal of ethnobiology. 15 1995 Flagstaff, Ariz.: Center for Western Studies, 1981- url p. 40, p. 82.
• Manual of the trees of North America (exclusive of Mexico) by Charles Sprague Sargent, with seven hundred and eighty-three illustrations from drawings by Charles Edward Faxon and Mary W. Gill. Boston and New York, Houghton Mifflin company, 1922. url p. 391, p. 391, p. 909, p. 909.
• National list of scientific plant names. [Washington, D.C.]: U.S. Dept. of Agriculture, Soil Conservation Service, 1982- url p. 392.
• Native woody plants of the United States, their erosion-control and wildlife values. Washington, U. S. Govt. print. off., 1938. url p. 263, p. 264.
• North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use, with plates and distribution maps. Ames, Iowa State University Press[1961] url p. 249.
• North Atlantic biota and their history; a symposium held at the University of Iceland, Reykjavík, July 1962, under the auspices of the University of Iceland and the Museum of Natural History. Editors: Askell Löve and Doris Löve. Sponsored Oxford, New York, Pergamon Press, 1963 url p. 385.
• Phytologia. Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 339.
• Publications in botany / Ottawa: The Museum, 1969- url p. 15, p. 21, p. 25.
• Syllogeus. Ottawa, National Museum of Natural Sciences, 1972-1995. url p. 4.
• The Canadian field-naturalist. Ottawa, Ottawa Field-Naturalists' Club. url p. 218, p. 225, p. 384, p. 440, p. 452, p. 460, p. 5, p. 613, p. 89.
• The plants of Prince Edward Island / Ottawa: Research Branch, Agriculture Canada, 1985. url p. 168.
• The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States a Illustrated with colored plates, four thousand engravings in the text, and ninety-six full-page cuts. New York, Macmillan, 1919 [c1914] url p. 3194, p. 3195, p. 3198.
• Yü Te-tsun, Lu Ling-ti, Ku Tsue-chih, Li Chao-luan, Kuan Ke-chien & Chiang Wan-fu. 1974, 1985, 1986. Rosaceae. In: Yü Te-tsun, ed., Fl. Reipubl. Popularis Sin. 36: 1443; 37: 1516; 38: 1133.
• 133.
• 37: 1 
• 38: 1 
• 443
• 516
• Chiang Wan-fu. 1974, 1985, 1986. Rosaceae. In: Yü
• Te-tsun, ed., Fl. Reipubl. Popularis Sin. 36: 1 
• Te-tsun, Lu Ling-ti, Ku Tsue-chih, Li Chao-luan, Kuan Ke-chien &
• Yü

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 15, 2012.

Data Sources

Accessed through GBIF Data Portal December 07, 2007:

• Canadian Museum of Nature, Canadian Museum of Nature Herbarium
• USDA PLANTS, USDA PLANTS Database

Identifiers

• Biodiversity Heritage Library NamebankID: 2650380
• Catalogue of Life Accepted Name Code: Ros-6186
• Global Biodiversity Information Facility Taxonkey: 13688079
• Globally Unique Identifier: urn:lsid:ipni.org:names:741697-1
• GRIN Nomen Number: 35015
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 25322
• U.S.D.A. Plant Symbol: PYDE2
• Zipcode Zoo Species Identifier: 59153

Footnotes

1. Cuizhi Gu, Chaoluan Li, Lingdi Lu, Shunyuan Jiang, Crinan Alexander, Bruce Bartholomew, Anthony R. Brach, David E. Boufford, Hiroshi Ikeda, Hideaki Ohba, Kenneth R. Robertson & Steven A. Spongberg "Rosaceae". in Flora of China Vol. 9 Page 46. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. Lu Ling-ti, Stephen A. Spongberg "Sorbus". in Flora of China Vol. 9 Page 144. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
3. Mean = 286.290 meters (939.272 feet), Standard Deviation = 154.550 based on 121 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.