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southern beardgrass, streambank rabbitsfoot grass

Habit Plants perennial, often flowering the first year.
Culms

to 100 cm, erect or decumbent at the base.

Sheaths

smooth, glabrous;

ligules 4-8 mm, scabridulous, lacerate;

blades 10-30 cm long, 4-15 mm wide.

Panicles

10-30 cm, erect or nodding, interrupted, dense;

pedicels not developed;

stipes 1.5-2.5 mm.

Glumes

3-5 mm, hispidulous, tapering from about midlength to the acute apices, apices unlobed, awned, awns 1-3 mm;

lemmas about 1.5 mm, awned, awns 1-2 mm, arising from above midlength;

paleas 1/2 - 2/3 as long as the lemmas;

anthers 0.5-0.7 mm.

2n

= 28, 56.

Polypogon elongatus

Distribution
from FNA
AZ; CO; TX
[BONAP county map]
Discussion

Polypogon elongatus is native from Mexico to Argentina. It now grows at scattered locations in the Flora region, primarily in California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 24, p. 663.
Parent taxa Poaceae > subfam. Pooideae > tribe Poeae > Polypogon
Sibling taxa
P. australis, P. fugax, P. imberbis, P. interruptus, P. maritimus, P. monspeliensis, P. viridis
Name authority Kunth
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