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|Jepson eFlora: Taxon page
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Sporobolus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sporobolus cryptandrus (Torr.) A. Gray
Habit: Perennial herb. Stem: tufted, erect, 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 to sheathed completely, spike-like initially, generally pyramid-shaped at maturity, open; 1° branches ascending, lowest generally > 3 cm, > internodes, 2° weakly spreading or appressed, bearing 3°, spikelets to near obscure base. Spikelet: 1.5--3 mm, green to purple or lead-colored; glumes narrowly lanceolate, tip acute, unequal, lower 0.5--1.1 mm, upper 1.5--2.7 mm, > 0.6 × lemma; lemma 1.5--2.5 mm, glabrous, ovate to lanceolate, tip acute; anthers 0.2--1 mm. Fruit: 0.7--1 mm, ellipsoid, striate, light- to red-brown. Chromosomes: 2n=36,38,72.
Ecology: Rocky to sandy washes, slopes, scrub, woodland; Elevation: 350--2800 m. Bioregional Distribution: SNH, SnGb, SnBr, PR, SNE, D, naturalized CaRF, ScV, waif in SnJV, SCoRO, SCo; Distribution Outside California: widespread southern Canada, United States (except Florida), northern Mexico, Argentina. Flowering Time: Apr--Oct
Synonyms: Sporobolus nealleyi Vasey misappl. from San Luis Obispo Co.
Unabridged Note: FNANM 25:131 places Sporobolus nealleyi Vasey in San Luis Obispo Co. However, the only collection there (San Miguel, Keil 18434, OBI36541!) is Sporobolus cryptandrus. Seeded for erosion control or revegetation.
eFlora Treatment Author: Michael Curto
Jepson Online Interchange
Previous taxon: Sporobolus contractus
Next taxon: Sporobolus flexuosus
Citation for this treatment: Michael Curto 2016. Sporobolus cryptandrus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45299, accessed on October 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 25, 2016.