|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Eragrostis||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Eragrostis pilosa (L.) P. Beauv. var. pilosa
Habit: Annual. Stem: ascending to erect, 1--6.5 dm; axis below nodes rarely glandular. Leaf: sheath glabrous, margin sparsely hairy near collar, not glandular; ligule < 0.5 mm; blade 2--20 cm, 1--3.5 mm wide, flat to +- inrolled. Inflorescence: 4--20 cm, < 15 cm wide, +- open; lower 1--2 nodes with whorled branches; primary branches slender, spreading or ascending, rarely reflexed; spikelet stalks appressed to spreading. Spikelet: 3.5--10 mm, 1--2 mm wide; lower glume 0.5--1 mm, generally < 1/2 lowest lemma length, upper slightly > lower; axis not breaking apart; florets 5--16; lemma +- 1.5 mm, gray-green with purple or +- red tip, lateral veins obscure; palea deciduous; anthers 0.2--0.3 mm. Fruit: 0.5--0.9 mm, light to dark brown, ovoid, smooth. Chromosomes: 2n=40.
Ecology: Disturbed sandy soils; Elevation: < 770 m. Bioregional Distribution: KR, GV, MP; Distribution Outside California: to eastern United States, Caribbean, Mexico. Flowering Time: Jul--Oct Note: Other variety in central United States.
eFlora Treatment Author: John R. Reeder
Jepson Online Interchange
Previous taxon: Eragrostis pectinacea var. pectinacea
Next taxon: Eriochloa
Citation for this treatment: John R. Reeder 2016. Eragrostis pilosa var. pilosa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=58374, 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.