Ptilagrostis concinna

Description

Perennial,densely tufted,old basal sheaths forming tight clusters.Culms 10–30 cm tall,0.6–1 mm in diam.,2-noded.Leaf blades setaceous,5–15 cm,abaxial surface smooth;ligule obtuse,0.5–2 mm.Panicle contracted,2–5 × 1–2 cm,lowest branches enclosed by a sheathing lanceolate membranous bract,smaller bracts present at base of some upper branches;branches usually paired,1–2 cm,suberect,spikelets few.Spikelets dark purple or purplish red with white scarious apices;glumes elliptic,4–6.3 mm,lower glume 1-veined,upper glume 3-veined,apex smooth,acute;lemma 3.5–5 mm,pilose below middle,scabrid above,apex 2-toothed,teeth 0.3–0.5 mm;awn 1–1.5 cm,plumose,hairs 1–1.5 mm,shorter toward apex,column loosely twisted;palea subequal to lemma,2-veined.Anthers 1.5–2.2 mm,bearded at apex.Fl.and fr.