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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: Perennial herb, generally cespitose. Stem: erect, basal internodes sometimes bulbous. Leaf: basal and cauline; ligule membranous, obtuse, minutely soft-hairy; blade flat, soft-hairy. Inflorescence: panicle-like, narrow, branches spreading until after flower. Spikelet: laterally compressed; glumes unequal, keeled, acute, lower 1- or 3-veined, upper 3-veined; florets 2, lower < upper, lower generally staminate, upper pistillate or bisexual, breaking above glumes, falling as 1 unit; callus hairy; lemma keeled, 5--7-veined, lemma of lower floret awned below middle, awn bent, twisted, upper lemma awnless or awned at tip, awn straight; palea < lemma.
Species In Genus: 6 species: temperate Europe, Asia. Etymology: (Greek: masculine awn, with reference to awned staminate floret)
eFlora Treatment Author: James P. Smith, Jr. & Dieter H. Wilken
Jepson Online Interchange
Previous taxon: Aristida ternipes var. gentilis
Next taxon: Arrhenatherum elatius
Citation for this treatment: James P. Smith, Jr. & Dieter H. Wilken 2016. Arrhenatherum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10985, accessed on December 04, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 04, 2016.