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

4. Drepanostachyum ampullare (T. P. Yi) Demoly, Bambou. 46: 7. 2005.

樟木镰序竹 zhang mu lian xu zhu

Fargesia ampullaris T. P. Yi, J. Bamboo Res. 2(2): 18. 1983.

Rhizome neck 3–7 cm, 1.3–2 cm in diam., internodes 1.5–7 mm. Culms erect, 2–5.4 m, 7–15 mm in diam.; internodes cylindrical, 20–25(–30) cm, rigid, initially glaucous and densely white powdery, longitudinal ribs obscure; wall 3–4 mm thick in mid-culm; nodes initially white powdery, supra-nodal ridge prominent; sheath scar prominent, initially yellow-brown setose. Branches many, subequal, secondary branch undeveloped. Culm sheaths pale yellow-brown, sharply narrow close to apex, leathery, abaxially yellow setose, adaxially apically white-gray or gray-yellow setose, especially densely so close to apex, distal margins densely yellow setulose; auricles and oral setae absent; ligule 1.5–4 mm, densely yellow-brown setose, irregularly fissured; blade reflexed, linear-lanceolate, adaxially proximally yellow-brown setose. Leaves 3–5 per ultimate branch; sheath light green, glabrous; auricles deciduous, small; oral setae gray-brown; ligule truncate, ca. 1 mm, glabrous; blade lanceolate, 7–11 × 0.6–1 cm, abaxially proximally gray hairy, secondary veins 2- or 3-paired, transverse veins undeveloped, base cuneate, margins spinescent-serrulate. Inflorescence unknown. New shoots May–Jul.

* About 2200 m. S Xizang (Nyalam).

The combination Drepanostachyum ampullare (T. P. Yi) Demoly was published in July 2005; the same combination was made on 12 December 2005 by Stapleton (Novon 15: 600. 2005).

The culms are used for weaving.


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