3. Eriochloa villosa (Thunb.) Kunth (Chinese cup grass, woolly cup grass)

Pl. 163 c, d; Map 661

Flowering stems 30–100 cm long, hairy. Leaf sheaths usually minutely hairy, the ligule 0.5–1.0 mm long. Leaf blades 3–20 cm long, 5–15 mm wide, minutely hairy. Inflorescences 3–16 cm long, with 2–9 spikelike racemes, these 2–7 cm long. Spikelets 4.0–5.2 mm long, occurring mostly singly along the axis of the raceme (paired only toward the base), elliptic‑ovate in outline, narrowed to a blunt or sharp point at the tip, not tapered. Upper glume 3.8–5.0 mm long, elliptic‑ovate, narrowed to a blunt or sharp point at the tip, not tapered, awnless, 5‑ or 7‑nerved. Sterile floret with the lemma 3.8–5.2 mm long, elliptic‑ovate, narrowed to a blunt or sharp point at the tip, not tapered, awnless, 5‑nerved. Fertile floret with the lemma 3.5–5.0 mm long, elliptic, angled to a broad point at the tip, but awnless. 2n=54. August–October.