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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: Sporobolus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sporobolus flexuosus (Thurb. ex Vasey) Rydb.
Habit: Perennial herb. Stem: tufted, erect or decumbent, 3--10(12) dm. Leaf: base dull, green to brown, margin glabrous or ciliate, collar with conspicuous hairs to 4 mm; ligule < 0.5--1 mm, fringe hairs to 4 mm; blade 5--25 cm, 1--6 mm wide. Inflorescence: generally terminal, exserted or base sheathed, generally ovate at maturity, open; central axis nodding, 1° branches generally spreading widely, lowest generally > 3 cm, > internodes, 2°, 3° spreading, entangled, base naked, evident. Spikelet: 1.5--2.5 mm, green to purple or lead-colored; glumes lanceolate, tip acute, unequal, lower 0.9--1.5 mm, upper 1.5--2.5, > 0.6 × lemma; lemma 1.5--2.5 mm, glabrous, ovate to lanceolate, tip acute; anthers 0.2--0.7 mm. Fruit: 0.6--1 mm, ellipsoid, striate, light- to red-brown. Chromosomes: 2n=36,38.
Ecology: Rocky to sandy washes, slopes, scrub, woodland; Elevation: 100--2100 m. Bioregional Distribution: SNE, D; Distribution Outside California: to Nevada, Colorado, Oklahoma, western Texas, northern Mexico. Flowering Time: May--Oct
Unabridged Note: Reports of Sporobolus floridanus Chapm. in California based on erroneously annotated Sporobolus flexuosus from Death Valley.
eFlora Treatment Author: Michael Curto
Jepson Online Interchange
Previous taxon: Sporobolus cryptandrus
Next taxon: Sporobolus indicus
Citation for this treatment: Michael Curto 2017. Sporobolus flexuosus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45304, accessed on January 17, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 17, 2017.