粗刺荩草 cu ci jin cao

Andropogon echinatus (Nees) Heyne; Arthraxon lanceola-tus (Roxburgh) Hochstetter var. echinatus (Nees) Hackel; A. spathaceus J. D. Hooker; Batratherum echinatum Nees.

?Perennial (base not seen). Culms straggling, ascending to 60 cm. Leaf sheaths tuberculate-hispid, uppermost sheath slightly inflated, spathelike with reduced blade; leaf blades lanceolate, 3–6 cm × 7–13 mm, both surfaces pubescent, base amplexicaul, margins closely pectinate-ciliate along whole length, apex acuminate; ligule ca. 1 mm. Racemes 2–3, ca. 5 cm, suberect, yellowish green, enclosed at base in uppermost sheath or finally shortly exserted; rachis internodes ca. 2/3 length of sessile spikelets, shortly ciliate, hairs 0.3–1 mm. Sessile spikelet 5.2–7 mm; lower glume lanceolate, shallowly convex, laterally keeled, margins inflexed, keels stoutly pectinate-spinose, back 3–7-veined between keels, muricate along length of veins, or only toward apex, or occasionally completely absent; upper lemma acuminate or shortly 2-toothed; awn 8–13 mm. Pedicelled spikelet narrowly lanceolate, 4–4.5 mm, sterile, infrequently reduced toward raceme base; pedicel stout, less than half internode length. Fl. and fr. Aug–Oct. 2n = 18.

Mountain slopes, streams; 1900–2300 m. Yunnan [India, Nepal].