Ptilagrostis kingii
King's ptilagrostis, Sierra false needlegrass, Sierra ptilagrostis
15-38 cm tall, 0.4-0.8 mm thick.
6-10 cm, loosely contracted;
branches ascending to appressed.
3-4.5 mm;
florets 2.8-4.2 mm;
calluses 0.3-0.7 mm;
lemmas with 0.1-0.4 mm lobes;
awns 10-14 mm, scabridulous, not hairy, weakly once- or twice-geniculate;
anthers 0.5-1.5 mm, penicillate.
1.5-2.3 mm.
ligules 1-2 mm, acute;
upper ligules to 2.5 mm;
blades filiform, about 0.3 mm in diameter.
= 11.
Ptilagrostis kingii
Ptilagrostis kingii grows along damp streambanks and wet meadows of the Sierra Nevada, at elevations from 2700-3500 m. It differs from most species in the genus in its scabridulous, rather than plumose, awns and short lemma lobes.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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