微药獐毛 wei yao zhang mao

Aeluropus littoralis (Gouan) Parlatore subsp. micrantherus (Tzvelev) Tzvelev; A. littoralis var. micrantherus (Tzvelev) K. L. Chang.

Culms procumbent or ascending, usually branched at base, 6–30 cm tall. Leaf sheaths glabrous or puberulous, pilose along mouth and margin; leaf blades flat or involute toward apex, 1.5–4.5 × 0.1–0.3 cm, hirtellous on both surfaces; ligule ca. 0.2 mm, usually pilose. Inflorescence spikelike, 2–7 × ca. 0.3 cm; racemes congested. Spikelets ovate, 2–3 mm, florets 2–6; glumes ovate, scabrid along middle vein; lower glume 1–1.2 mm; upper glume 1.5–1.8 mm; lemmas ovate or broadly ovate, lowest 2.5–3.2 mm, 5–9-veined, glabrous throughout or ciliate near lower margins, apex acute or mucronate; palea subequal to lemma. Anthers 0.6–0.8 mm. Fl. and fr. summer.

Water courses, sandy places, desert slopes. Xinjiang [ Mongolia].

This species is distinguished from Aeluropus littoralis by its smaller anthers (0.6–0.8 mm vs. 1.2–1.6 mm).