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

11. Saccharum narenga (Nees ex Steudel) Wallich ex Hackel in A. Candolle & C. Candolle, Monogr. Phan. 6: 119. 1889.

河八王 he ba wang

Eriochrysis narenga Nees ex Steudel, Syn. Pl. Glumac. 1: 411. 1854; E. porphyrocoma Hance; Narenga porphyrocoma (Hance) Bor; Saccharum porphyrocomum (Hance) Hackel; Sclerostachya narenga (Nees ex Steudel) Grassl.

Perennial from a short stout rhizome. Culms 1–3(–5) m tall, 5–8 mm in diam., nodes bearded, hirsute below panicle. Leaf sheaths hispid with tubercle-based hairs; leaf blades 1–1.5 m × 0.6–2 cm, adaxial surface thinly hispidulous, abaxial surface glabrous, margins scabrid, tapering to midrib at base, apex attenuate; ligule 3–4 mm, rounded. Panicle narrowly elliptic-oblong in outline, 20–50 cm, copper brown or purplish brown, axis white-pilose; racemes arising almost from main axis, stiffly ascending, densely spiculate, lowest 6–10 cm; rachis internodes 1.7–2.5 mm, ciliate. Spikelets 2.5–3 mm, brown, glossy; callus hairs about equaling spikelet, white or purplish; lower glume narrowly lanceolate-oblong, leathery, back glabrous or thinly pilose below middle, keels scabrid and margins ciliate near apex, apex narrowly truncate; lower lemma equal to glumes; upper lemma narrow, truncate, awnless. Anthers 3, 1.2–1.5 mm. Fl. and fr. Aug–Nov. 2n = 30.

Open mountain slopes, dry grassy places. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Jiangsu, Sichuan, Taiwan, Yunnan, Zhejiang [Bangladesh, India, Myanmar, Nepal, Pakistan, Thailand, Vietnam].


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