微药金茅 wei yao jin mao

Perennial; basal sheaths woolly with reddish brown hairs. Culms slender, 0.8–1 m tall, ca. 1.7 mm in diam., 6–9-noded, villous below inflorescence with whitish yellow hairs, brown-tomentose around lower nodes, upper nodes glabrous. Leaf sheaths glabrous or thinly pilose above nodes; leaf blades linear, 15–27 × 0.3–0.4 cm, glabrous or abaxial surface thinly pilose, apex long acuminate; ligule ca. 1 mm. Racemes 4–5, digitate, 10–12 cm, hairs whitish at first, becoming pale yellowish brown; rachis internodes and pedicels 3/4 spikelet length, ciliate. Sessile spikelet 3–3.5 mm, brown with pallid tips; callus hairs ca. 1/5 spikelet length; lower glume narrowly oblong, back concave, veinless between keels, pilose with spreading hairs increasing to 2 mm above middle, apex emarginate-truncate or bimucronulate; upper lemma narrow, 2-toothed in upper 1/3; awn 1.5–2 cm. Anthers 2.3–2.4 mm. Fl. and fr. autumn–winter.

* Along streams. Hainan.

This is a more slender species than Eulalia speciosa, with the same basal sheath hair color as E. phaeothrix. However, it lacks the tussocky habit of E. phaeothrix and has smaller spikelets of differing shape and hairiness.