Aristida ternipes

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

Overview

Interesting Facts

Common Names

Description

Genus Aristida

Perennials , less often annuals or suffruticose . Culms tufted . Leaf blades usually basal, rolled or rarely flat. Inflorescence a narrow or open panicle. Spikelets with 1 floret; glumes scarious , narrow, unequal with the upper usually longer , 1(-3) -veined; floret callus bearded , obtuse to pungent or 2-toothed; lemma narrowly cylindrical or laterally compressed , convolute, glabrous or sparsely hairy ; awn 3-branched, branches arising directly from lemma apex or seated on a straight or twisted column, persistent or disarticulating either at base or apex of column (always persistent in China), scabrid . Stamens 3.

About 300 species: widely distributed in tropical and warm-temperate regions of the world; ten species (six endemic) in China.

This genus is found on poor, dry soils in areas of low rainfall, but does not usually penetrate into true desert.[1]

Physical Description

Habitat

Typically found at an altitude of 0 to 2,458 meters (0 to 8,064 feet).[2]

Biology

Reproduction

Duration: Perennial

Taxonomy

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

Members of the genus Aristida

ZipcodeZoo has pages for 65 species, subspecies, varieties, forms, and cultivars in this genus:

A. adscensionis (Six-Weeks Three-Awn Grass) · A. adscensionis var. adscensionis (Sixweeks Threeawn) · A. arizonica (Arizona Three-Awn Grass) · A. basiramea (Forked Three-Awn) · A. beyrichiana (Beyrich Threeawn) · A. californica (California Three-Awn Grass) · A. californica var. californica (California Threeawn) · A. californica var. glabrata (Santa Rita Threeawn) · A. chaseae (Chase's Threeawn) · A. cognata (Spreading Threeawn) · A. condensata (Big Three-Awned Grass) · A. desmantha (Curly Threeawn) · A. dichotoma (Churchmouse Threeawn) · A. dichotoma var. curtissii (Curtis' Threeawn) · A. dichotoma var. dichotoma (Churchmouse Threeawn) · A. divaricata (Poverty Threeawn) · A. floridana (Key West Threeawn) · A. gypsophila (Gypsum Threeawn) · A. gyrans (Corkscrew Three-Awn Grass) · A. havardii (Harvard Threeawn) · A. lanosa (Woolly Three-Awn) · A. longespica (Slim-Spike Three-Awn Grass) · A. longespica geniculata (Spiked Needlegrass) · A. longespica longespica (Kearney´s Three-Awn) · A. longespica var. geniculata (Slimspike Threeawn) · A. longispica (Slimspike Threeawn) · A. longispica var. geniculata (Slimspike Threeawn) · A. longispica var. longispica (Slimspike Threeawn) · A. mohrii (Mohr's Three-Awn Grass) · A. oligantha (Oldfield Threeawn) · A. orcuttiana var. orcuttiana (Single Threeawn) · A. palustris (Longleaf Three-Awn) · A. pansa (Wooton Threeawn) · A. pansa var. pansa (Wooton's Threeawn) · A. patula (Tall Three-Awn Grass) · A. portoricensis (Pelos Del Diablo) · A. purpurascens (Arrowfeather Threeawn) · A. purpurascens var. purpurascens (Arrowfeather Threeawn) · A. purpurascens var. tenuispica (Arrowfeather Threeawn) · A. purpurascens var. virgata (Arrowfeather Threeawn) · A. purpurea (Democrat Grass) · A. purpurea var. fendleriana (Fendlers Threeawn) · A. purpurea var. longiseta (Fendlers Threeawn) · A. purpurea var. micrantha (Red Three-Awn) · A. purpurea var. nealleyi (Blue Threeawn) · A. purpurea var. parishii (Parish Threeawn) · A. purpurea var. perplexa (Purple Threeawn) · A. purpurea var. purpurea (Purple Threeawn) · A. purpurea var. wrightii (Wrights Threeawn) · A. ramosissima (Branched Three-Awn Grass) · A. ramosissima var. ramosissima (S-Curve Threeawn) · A. refracta (Islandthicket Threeawn) · A. rhizomophora (Florida Three-Awn Grass) · A. schiedeana (Single Threeawn) · A. schiedeana var. orcuttiana (Orcutt's Threeawn) · A. simpliciflora (Southern Three-Awned Grass) · A. spiciformis (Bottlebrush Threeawn) · A. stricta (Pineland Three-Awn Grass) · A. stricta var. beyrichiana (Wiregrass) · A. suringarii (St. Eustatius Threeawn) · A. swartziana (Swartz's Threeawn) · A. ternipes (Spider Three-Awn Grass) · A. ternipes var. gentilis (Mesa Threeawn) · A. ternipes var. ternipes (Spidergrass) · A. tuberculosa (Seabeach Needlegrass)

More Info

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Further Reading

• Britton, N. L. (ed.). North American flora. [New York]New York Botanical Garden. url p. 382.
• Contributions from the United States National Herbarium 46 2003 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 101, p. 297, p. 303, p. 523, p. 599, p. 600, p. 609, p. 610, p. 709, p. 710, p. 717, p. 723, p. 724, p. 725, p. 726, p. 727, p. 732, p. 737, p. 74, p. 744, p. 746, p. 747, p. 748, p. 750, p. 97.
• Family #15, Gramineae / Richard W. Pohl. 4 1980 [Chicago]: Field Museum of Natural History, 1980. url p. 51, p. 56, p. 597.
• Flora of Costa Rica. .. by Paul C. Standley. .. 18 1937 Chicago, 1937. url p. 69.
• Flora of Guatemala: part II: grasses of Guatemala / Jason R. Swallen; Bamboos / F.A. McClure. 24 1955 Chicago, Ill.: Chicago Natural History Museum, 1955. url p. 31, fig. 6, page 36, p. vii.
• Flora of Yucatan, by Paul C. Standley. 3 1930 Chicago, Field Museum of Natural History, 1930. url p. 199.
• Manual of the grasses of the United States / by A.S. Hitchcock. Washington: U.S. G.P.O., 1935. url p. 439, p. 443, p. 444, p. 801.
• Manual of the southeastern flora: being descriptions of the seed plants growing naturally in Florida, Alabama, Mississippi, eastern Louisiana, Tennessee, North Carolina, South Carolina and Georgia. 1933 New York: The author, 1933. url p. 94.
• Memoirs of the San Diego Society of Natural History. 12 1981 San Diego, Calif.: The Society, 1931-1989. url figs. 65-66, page 101, p. 102.
• Occasional papers of the California Academy of Sciences. San Francisco: California Academy of Sciences, url p. 55.
• Phytologia memoirs. Plainfield, N.J.: H.N. Moldenke and A.L. Moldenke, 1980- url p. 11, p. 49, p. 59, p. 70, p. 8, p. 95.
• Phytologia. Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 218, p. 221, p. 411, p. 412.
• Proceedings of the Entomological Society of Washington. Washington, etc.: Entomological Society of Washington url p. 146.
• Proceedings of the San Diego Society of Natural History. 1999 [San Diego, Calif.]: San Diego Society of Natural History, 1990- url p. 40.
• The Great Basin naturalist. 52 1992 Provo, Utah: M.L. Bean Life Science Museum, Brigham Young University, 1939-1999. url figs. 10-11, page 50.

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 16, 2007:

• Berkeley Natural History Museums, University and Jepson Herbaria DiGIR provider
• Herbarium of the University of Aarhus, The AAU Herbarium Database
• Instituto Nacional de Biodiversidad
• , Biodiversidad de Costa Rica
• Missouri Botanical Garden, Missouri Botanical Garden
• School of Life Sciences, Arizona State University, Arizona State University Vascular Plant Herbarium
• School of Life Sciences, Arizona State University, The Deaver Herbarium, Northern Arizona University
• USDA PLANTS, USDA PLANTS Database
• Utah State University, USU-UTC Specimen Database

Identifiers

• Biodiversity Heritage Library NamebankID: 2661454
• Catalogue of Life Accepted Name Code: ITS-41435
• Global Biodiversity Information Facility Taxonkey: 13753952
• Globally Unique Identifier: urn:lsid:ipni.org:names:389846-1
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 41435
• Natural Heritage Network Species Identifier: PMPOA0K150
• U.S.D.A. Plant Symbol: ARTET
• Zipcode Zoo Species Identifier: 22679

Footnotes

1. Sheng-lian Lu, Shou-liang Chen & Sylvia M. Phillips "Aristida". in Flora of China Vol. 22 Page 453. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. Mean = 770.170 meters (2,526.804 feet), Standard Deviation = 824.510 based on 361 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.