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|Jepson eFlora: Taxon page
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Dactylis||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Dactylis glomerata L.
Habit: Perennial herb, cespitose, from short rhizomes. Stem: (1)2--5, 3--20+ dm. Leaf: basal and cauline; sheath closed, keeled; auricles 0; ligule 4--9 mm, +- translucent, fringed to toothed at obtuse tip, glabrous to minutely soft-hairy; blade 3--6 mm wide, slightly scabrous. Inflorescence: panicle-like, 4--20 cm; lower branches spike-like, spreading, upper stiffly erect to spreading. Spikelet: crowded, generally on 1 side of branch tips, short-stalked to subsessile, laterally compressed; florets 2--6, generally bisexual (upper sometimes staminate), breaking above glumes and between florets; glumes, lemmas short-awned at tip, minutely ciliate to short-hairy on back; glumes 3--6 mm, subequal, 1--3-veined; lemma 4--7 mm, margin translucent, 5-veined; palea slightly < lemma, 2-forked at tip. Chromosomes: 2n=14,21,27--31,42.
Ecology: Disturbed, often moist sites; Elevation: < 2410 m. Bioregional Distribution: CA-FP, GB; Distribution Outside California: to Alaska, Canada, widespread in United States; native to Eurasia. Flowering Time: May--Aug Note: Cult for forage, hay.
eFlora Treatment Author: Dieter H. Wilken
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Dactylis
Next taxon: Dactyloctenium
Citation for this treatment: Dieter H. Wilken 2016. Dactylis glomerata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=22210, 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.