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

3. Cephalostachyum pergracile Munro, Trans. Linn. Soc. London. 26: 141. 1868.

香糯竹 xiang nuo zhu

Schizostachyum pergracile (Munro) R. B. Majumdar.

Culms erect, 9–12 m, 5–7.5 cm in diam., apically drooping; internodes 30–45 cm, initially densely appressed setose; wall thin. Culm sheaths tardily deciduous, brown, shorter than culms, 10–15 × 15–20 cm, thickly leathery, smooth, densely glossy black-brown setose; auricles rounded, undulate, hirsute near margins; ligule inconspicuous; blade reflexed, ovate-acuminate, ca. 5 cm, articulate with sheath, adaxially densely hairy. Leaf sheath margins ciliate; ligule ciliate; blade narrowly lanceolate, 15–35 × 2.5–3.8(–6) cm, base rounded. Inflorescences capitate, at nodes of leafless branch, 1.5–3 cm in diam., subtended by bracts. Pseudospikelet 1.2–2 × ca. 0.2 cm, densely yellow hirtellous, rachilla extended, 5–6 mm. Glumes 2 or 3, 0.6–1.1 cm; lemma 1.3–1.8 cm, densely hairy, apex long mucronate or awned; palea about as long as or longer than lemma, apex bifid; lodicules lanceolate, narrow, membranous, apex acute. Anthers purple. Stigmas 3. Caryopsis 6–8 × 2–3 mm, glabrous, apex with persistent style base.

Hills; 500–1200 m. S Yunnan [Myanmar].


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