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|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: Annual, perennial herb. Stem: decumbent to erect. Leaf: basal and cauline; ligule membranous, ciliate or not; blade generally flat. Inflorescence: digitate to panicle-like; 1° branches +- spike-like, spreading to ascending; spikelets generally many per branch, 2 or 3 per node, short-stalked to subsessile, on one side of axis. Spikelet: dorsally compressed, falling as 1 unit; glumes unequal, upper glume <= spikelet, appressed-hairy, clearly 3--5-veined, veins minutely ridge-like; florets 2, lower floret sterile, lemma texture like upper glume, upper floret fertile, lemma +- thin, flexible, back facing away from inflorescence axis, margin flat, tip generally obtuse, awn 0; lower palea reduced or 0, the upper +- = lemma; anthers 3.
Species In Genus: +- 200 species: warm temperate, tropics, worldwide. Etymology: (Latin: finger, from inflorescence branch arrangement) Note: Digitaria bicornis (Lam.) Roem. & Schult., collected in 1926 in Monterey Co., and Digitaria eriantha Steud., collected in Imperial Co. in 1939, are presumed extirpated.
eFlora Treatment Author: James P. Smith, Jr.
Jepson Online Interchange
Key to DigitariaPrevious taxon: Desmazeria rigida
Next taxon: Digitaria californica var. californica
Citation for this treatment: James P. Smith, Jr. 2016. Digitaria, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11041, accessed on May 26, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 26, 2016.