Trichocoronis rivularis

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

Interesting Facts

Common Names

Description

Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Genus Trichocoronis

Annuals or perennials , 10-30 cm (aquatic or subaquatic). Stems decumbent to erect , branched from bases or ± throughout (sometimes rooting at proximal nodes). Leaves cauline; mostly opposite (distal sometimes alternate) ; sessile; blades usually 1-3-nerved from near bases, oblong to elliptic or lanceolate, margins usually ± dentate (at least distally), faces glabrous or sparsely pilose to pilosulous and glabrescent , sometimes minutely gland-dotted. Heads discoid , borne singly or in loose or open, corymbiform arrays. Involucres mostly hemispheric or broader, 3-4(-5) mm diam. Phyllaries persistent , 18-30 in 2-3 series, obscurely 3-4-nerved, lanceolate, ± equal (herbaceous). Receptacles convex to conic, epaleate (warty). Florets 75-125; corollas whitish or pinkish to purplish, throats tubular-funnelform (lengths ca. 2 times diams.) ; styles: bases not enlarged, glabrous, branches linear-filiform (distally densely papillose ). Cypselae weakly fusiform , 4-5-ribbed, scabrellous on ribs ; pappi persistent, of 2-6+ laciniate or fimbriate to setiform scales or coarsely barbellate bristles . x = 15.

Species 2: Texas, Mexico; introduced in California.[1]

Physical Description

Biology

Reproduction

Duration: Annual

Taxonomy

Synonyms

Asperula sherardia Hallier • Asterophyllum scherardianum Schimp. & Spenn. • Galium sherardia E. H. L. Krause • Hexodontocarpus arvensis (L.) Dulac • Sherardia affinis Gand. • Sherardia agraria Tornab. • Sherardia arvensis f. argentina Hicken • Sherardia arvensis maritima (Griseb.) Soják • Sherardia arvensis var. maritima Griseb. • Sherardia elliptica Gand. • Sherardia neglecta Guépin Ex Nyman • Sherardia pantocsekii Gand. • Sherardia umbellata Gilib.

Notes

Name Status: Accepted Name .

Comment: Data Providers: CONABIO, New Zealand Plant Name Database, LCR Editor, IPNI, Tropicos. GCC LSID: urn :lsid:compositae.org:names:CC4F671D-DF40-4FC5-9F33-63C625EE0131

Last scrutiny: 04-Nov-09

Similar Species

Members of the genus Trichocoronis

ZipcodeZoo has pages for 4 species, subspecies, varieties, forms, and cultivars in this genus:

T. riparia (River Bugheal) · T. rivularis (Rio Grande Bugheal) · T. wrightii (Limestone Bugheal) · T. wrightii wrightii (Limestone Bugheal)

More Info

• Search for Pictures: images.google.com
• Search for Scholarly Articles: Google Scholar
• Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
• Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books

Further Reading

• Aquatic and wetland plants of southwestern United States, by Donovan S. Correll and Helen B. Correll. [Washington]Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]1972. url p. 1599.
• Biologia centrali-americana; or, Contributions to the knowledge of the fauna and flora of Mexico and Central America. London, Pub. for the editors by R. H. Porter and Dulau & co., 1879-88. url .
• Compositae newsletter. Columbus, Ohio: Dept. of Botany, Ohio State University, 1975- url p. 46, p. 48.
• Contributions from the United States National Herbarium 2 1891-1894 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 176.
• Garden and forest; a journal of horticulture, landscape art and forestry. New York: The Garden and forest publishing co., 1888-97. url , p. 283.
• Phytologia. Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 297, p. 497.
• King, R. M. and H. Robinson. 1970b. A monograph of the genus Trichocoronis. Phytologia 19: 497-500.

Notes

Contributors

• Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 15, 2012.
• GCC: Global Compositae Checklist. Release date: November 18, 2009
• Global Biodiversity Information Facility. Accessed February 28, 2008. http://www.gbif.org Mediated distribution data from provider.
• Ruggiero M., Gordon D., Bailly N., Kirk P., Nicolson D. (2011). The Catalogue of Life Taxonomic Classification, Edition 2, Part A. In: Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist (Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D., eds). DVD; Species 2000: Reading, UK.
• USDA, NRCS. 2005. The PLANTS Database, Version 3.5 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Data Sources

Accessed through GBIF Data Portal February 28, 2008:

• Missouri Botanical Garden
• Tiroler Landesmuseum Ferdinandeum
• USDA PLANTS: USDA PLANTS Database

Identifiers

• Biodiversity Heritage Library NamebankID: 2669650
• Catalogue of Life Accepted Name Code: Ast-1424
• Globally Unique Identifier: urn:lsid:ipni.org:names:256254-1
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 505571
• U.S.D.A. Plant Symbol: SHRI
• Zipcode Zoo Species Identifier: 62894

Footnotes

1. Guy L. Nesom "Trichocoronis". in Flora of North America Vol. 21 Page 460, 487, 488. Oxford University Press. Online at EFloras.org. [back]

©2004-2012 David Stang. All rights reserved.