|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: Annual, perennial herb, cespitose. Stem: ascending to erect, generally glabrous (except Aristida californica). Leaf: basal and cauline; basal often tufted; ligule hairy; blade flat or inrolled. Inflorescence: raceme-like or panicle-like; branches spike-like. Spikelet: glumes narrowly lanceolate, thin, 1-veined, awn generally 0; floret 1, breaking above glumes; lemma +- fusiform, hard when mature, 3-veined, tip beak-like or not, awned at tip, awns 3, equal or unequal; palea < lemma, enclosed by lemma, transparent. Fruit: narrowly fusiform.
Species In Genus: +- 300 species: worldwide, arid warm temperate. Etymology: (Latin: awn) Note: Some species noxious weeds.
eFlora Treatment Author: Rosa Cerros-Tlatilpa & Kelly W. Allred
Jepson Online Interchange
Key to AristidaPrevious taxon: Apera spica-venti
Next taxon: Aristida adscensionis
Citation for this treatment: Rosa Cerros-Tlatilpa & Kelly W. Allred 2017. Aristida, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=10984, accessed on April 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 26, 2017.