|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb, generally cespitose, often rhizomatous. Stem: generally erect, 5--180 cm. Leaf: ligule fringed or short-hairy; blade flat or inrolled, margins not thickened. Inflorescence: terminal, generally panicle-like, open to dense, or spike-like. Spikelet: laterally compressed; glumes +- equal, membranous, lower 1(3)-veined, upper 1--3(9)-veined; axis breaking above glumes and between florets; florets generally 4--11; lemma wide, thin, back rounded, veins hairy below middle, 3-veined, tip notched or 2-toothed, generally short-pointed; palea generally < lemma, glabrous or minutely hairy below; anthers 3, red-purple.
Species In Genus: 15 species: United States, Mexico, Cuba. Etymology: (Latin: 3 tooth, from 3-veined lemma tip in type sp.)
eFlora Treatment Author: James P. Smith, Jr.
Jepson Online Interchange
Previous taxon: Torreyochloa pallida var. pauciflora
Next taxon: Tridens muticus var. muticus
Citation for this treatment: James P. Smith, Jr. 2016. Tridens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11192, accessed on February 11, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 11, 2016.