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FOC | Family List | FOC Vol. 22 | Poaceae | Spodiopogon

6. Spodiopogon dubius Hackel in A. Candolle & C. Candolle, Monogr. Phan. 6: 186. 1889.

绒毛大油芒 rong mao da you mang

Perennial, with spreading scaly rhizomes. Culms solitary or tufted, erect, 1–2 m tall, 4–5 mm in diam., branched or unbranched. Leaf sheaths glabrous to villous, woolly at apex; leaf blades broadly linear, 20–30 × 1.2–1.5 cm, thinly appressed-pilose to densely villous, base rounded, apex long acuminate; ligule ca. 0.3 mm, margin densely ciliate. Panicle dense, narrowly oblong in outline, 10–22 cm; branches 2–5 cm, branchlets many, short, pilose in axils; racemes 2–4-noded with 7–11 spikelets, disarticulating at maturity, one spikelet of a pair sessile, the other pedicellate; internodes and pedicels 2–2.5 mm, slender with expanded tips, densely ciliate. Spikelets 4–5 mm; callus hairs 1.5–2 mm; lower glume narrowly lanceolate, villous with ca. 3 mm hairs, veins smooth, apex subacute or emarginate; upper glume villous on keel, apex acute; lower floret sterile, palea absent; upper lemma 2-lobed to middle; awn 8–10 mm. Anthers 1.8–2.3 mm. Fl. and fr. summer–autumn.

Mountain slopes, forest margins; ca. 2400 m. Xizang [NW India, Nepal].

The name "Spodiopogon villosus L. Liu" (Fl. Reipubl. Popularis Sin. 10(2): 58. 1997, not Nees, 1838) belongs here, but was not validly published because no Latin description was provided.


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