Braya pilosa

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

Overview

Critically Endangered

Interesting Facts

Common Names

Description

Genus Braya

Herbs perennial with simple or many-branched caudices, sometimes forming cushions . Trichomes simple or forked . Basal leaves petiolate , rosulate, simple, entire or dentate , rarely pinnately lobed , petiolar base persistent . Cauline leaves absent, rarely few, sessile or nearly so, not auriculate , entire or rarely dentate. Racemes ebracteate or only lowermost flowers bracteate , elongated or not in fruit. Fruiting pedicels erect or divaricate . Sepals ovate or oblong , caducous or persistent, erect, base of lateral pair not saccate , margin membranous. Petals white, pink, or purple, rarely yellow, longer than sepals; blade obovate or oblanceolate , apex obtuse or rounded ; claw shorter than sepals. Stamens 6, tetradynamous ; filaments dilated at base; anthers ovate or oblong, obtuse at apex. Nectar glands 4, 1 on each side of lateral stamen; median glands absent. Ovules 4-26 per ovary. Fruit dehiscent siliques or silicles , linear , oblong, ovoid , or lanceolate, terete or slightly latiseptate , sessile; valves with a distinct midvein , glabrous or pubescent , smooth or torulose ; replum rounded; septum complete , membranous, translucent ; style obsolete or to 1 mm; stigma capitate, entire or slightly 2-lobed. Seeds uniseriate or rarely biseriate , wingless, oblong or ovoid, plump; seed coat minutely reticulate , not mucilaginous when wetted; cotyledons incumbent .

Six polymorphic species: alpine , subarctic , or temperate regions of Asia, Europe, and North America; three species in China.

Braya siliquosa Bunge (from Kazakhstan, Mongolia, and Russia) was recorded from Qinghai and Yunnan in FRPS, Fl. Qinghai. (1: 501. 1997), and Fl. Yunnan. (6: 117. 1995), but these records are based on misidentified plants of Neotorularia humilis.[1]

Taxonomy

Synonyms

Braya purpurascens< /i> (R. Br.) Bunge Ex Ledeb. Pilosa (Hook.) Hultén

Notes

Name Status: Accepted Name .

Last scrutiny: 2009

Similar Species

Members of the genus Braya

ZipcodeZoo has pages for 11 species, subspecies, varieties, forms, and cultivars in this genus:

B. fernaldii (Fernald's Northern Rockcress) · B. glabella (Smooth Northern-Rockcress) · B. glabella purpurascens (Smooth Northern-Rockcress) · B. glabella subsp. purpurascens (Smooth Northern-Rockcress) · B. humilis (Low Braya) · B. linearis (Narrowfruit Braya) · B. longii (Long's Braya) · B. pilosa (Hairy Braya) · B. purpurascens; (Smooth Northern-Rockcress) · B. purpurascens purpurascens (Smooth Northern-Rockcress) · B. thorild-wulffii (Greenland Northern Rockcress)

More Info

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Further Reading

• 1997 IUCN red list of threatened plants Cambridge: IUCN, World Conservation Union, 1998 url p. 216.
• A dictionary of modern gardening / by George William Johnson. .. with one hundred and eighty wood cuts. Edited, with numerous additions, by David Landreth. Philadelphia: Lea and Blanchard, 1847. url p. 98.
• A dictionary of modern gardening. Philadelphia, Lea and Blanchard, 1847. url p. 98.
• Bibliographical index to North American botany; or, Citations of authorities for all the recorded indigenous and naturalized species of the flora of North America, with a chronological arrangement of the synonymy. by Sereno Watson. Washington, Smithsonian Institution, 1878. url .
• Ecological investigations of the tundra biome in the Prudhoe Bay region, Alaska / edited by Jerry Brown. [Fairbanks: University of Alaska], 1975. url p. 203, p. 77.
• Hooker, W. J. Flora boreali-americana, or, the botany of the northern parts of British America: compiled principally from the plants collected by Dr. Richardson &amp; Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. To which are added (by permission of the Horticultural society of London, ) those of Mr. Douglas, from north-west America, and of other naturalists /by Sir William Jackson Hooker. 1 1840 London, H.G. Bohn [1829]-1840. url p. v.
• Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the London: Printed for H.M.S.O., 1875. url .
• Novon a journal of botanical nomenclature from the Missouri Botanical Garden. 16 2006 St. Louis, MO: Missouri Botanical Garden, url p. 351.
• Seemann, B. The botany of the voyage of H.M.S. Herald: under the command of Captain Henry Kellett, R.N., C.B., during the years 1845-51 /by Berthold Seemann. 1852-1857 London: Lovell Reeve, 1852-1857. url p. 51.
• Smithsonian miscellaneous collections. 15 1878 Washington: Smithsonian Institution, 1862-1968. url p. 51.
• Syllogeus. Ottawa, National Museum of Natural Sciences, 1972-1995. url p. 10, p. 22, p. 25, p. 54, p. 57, p. 73, p. 77, p. 89, p. 9, p. 93.
• The Canadian field-naturalist. Ottawa, Ottawa Field-Naturalists' Club. url , p. 550, p. 551, p. 552, p. 553, p. 554, p. 555, p. 556, p. 653, p. 654, p. 661.
• The Canadian naturalist and geologist. Montreal: B. Dawson, 1856-1868. url p. 344.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.

Data Sources

Accessed through GBIF Data Portal November 18, 2007:

• Canadian Museum of Nature, Canadian Museum of Nature Herbarium
• Utah Valley State College
• , Utah Valley State College Herbarium

Identifiers

• Biodiversity Heritage Library NamebankID: 2648455
• Catalogue of Life Accepted Name Code: Mus-733
• Global Biodiversity Information Facility Taxonkey: 13742097
• Globally Unique Identifier: urn:lsid:ipni.org:names:279647-1
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 22745
• International Plant Names Index (IPNI) ID: 36271-2
• Natural Heritage Network Species Identifier: PDBRA0D080
• Zipcode Zoo Species Identifier: 166620

Footnotes

1. Tai-yien Cheo, Lianli Lu, Guang Yang, Ihsan Al-Shehbaz & Vladimir Dorofeev "Braya". in Flora of China Vol. 8 Page 186. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]

©2004-2012 David Stang. All rights reserved.