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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Sporobolus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sporobolus airoides (Torr.) Torr.
Habit: Perennial herb. Stem: tufted, erect, 3--10(15) dm. Leaf: base shiny, straw-colored; distal sheath margin glabrous to short-hairy; collar glabrous or with sparse long hairs to 6 mm; ligule < 0.5 mm, fringe hairs to 2 mm; blade 10--40(60) cm, 2--4(6) mm wide. Inflorescence: generally terminal, exserted or sheathed basally, pyramid-shaped, diffuse; 1° branches spreading widely, lowest generally > 6 cm, > internodes, 2° spreading, bearing 3°, spikelets distally; base naked. Spikelet: 1--3 mm, green to purple; glumes narrowly lanceolate, tip acute to obtuse, unequal, lower 0.5--2 mm, upper 1.1--2.5, > 0.6 × lemma; lemma 1.2--2.5 mm, glabrous, ovate to lanceolate, tip acute; anthers 1.1--1.8 mm. Fruit: 1--1.4 mm, ellipsoid, striate, red-brown. Chromosomes: 2n=80,90,108,126.
Ecology: Seasonally moist, alkaline areas; Elevation: < 2100 m. Bioregional Distribution: SNF, Teh, s ScV, SnJV, s SCoRO, SW, GB, D; Distribution Outside California: to British Columbia, central and southern United States, northern and central Mexico. Flowering Time: Apr--Oct Note: Seeded for erosion control or wetland revegetation. Used occasionally as an ornamental.
eFlora Treatment Author: Michael Curto
Jepson Online Interchange
Previous taxon: Sporobolus
Next taxon: Sporobolus contractus
Citation for this treatment: Michael Curto 2017. Sporobolus airoides, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45286, accessed on February 23, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 23, 2017.