Dasyochloa pulchella

(Kunth) Willd. ex Rydb.
Common names: Fluffgrass
Synonyms: Triodia pulchella Tridens pulchellus Erioneuron pulchellum
Treatment appears in FNA Volume 25. Treatment on page 47.

Culms (1)4-15 cm, scabrous or puberulent; peduncles (internode below the panicles) 3-7(11) cm. Sheaths striate, margins scarious; ligules 3-5 mm; blades (1)2-6 cm, abaxial surfaces scabrous, adaxial surfaces scabridulous. Panicles 1-2.5 cm long, 1-1.5 cm wide, densely white-pubescent, light green or purple-tinged. Spikelets (5)6-9(10) mm, with (4)6-10 florets. Lower glumes 6-8.5 mm; upper glumes 6.5-9 mm, as long as or longer than the florets; lemmas 3-5.5 mm, lobes (1)3-3.2 mm, midveins extending into straight (1.5)2.5-4 mm awns; paleas 2-3.5 mm, keels long pilose proximally, ciliate distally; anthers 0.2-0.5 mm. Caryopses 1-1.5 mm, translucent. 2n = 16.


Md., Colo., N.Mex., Tex., Utah, Calif., Wyo., Ariz., Nev.


Dasyochloa pulchella grows in rocky soils of arid regions. It extends from the United States to central Mexico and is the most common grass in the Larrea-Flourensia scrub of the southwestern United States and adjacent Mexico.

Selected References


Lower Taxa