Schizostachyum jaculans Holttum

Culms to 15 m long, to 1.5 cm in diam., apex long pendulous or clambering; internodes terete, to 72 cm, lower half glossy, glabrous, initially white powdery distally, with appressed red-brown hairs; wall ca. 1.5 mm thick. Branches 40–50 cm. Culm sheaths deciduous, oblong, with deciduous, stiff, red-brown hairs, base without a projection, margins glabrous, apex truncate or nearly so; auricles usually inconspicuous; oral setae 1–2 mm; ligule 1–2 mm, margin with fimbriae 8–15 mm; blade reflexed, linear-lanceolate, less than 1/2 length of sheath, abaxially glabrous, adaxially densely strigose, apex involute to acicular. Leaves 5–9 per ultimate branch; leaf blade linear-lanceolate or lanceolate, 5.5–15 × 0.6–1 cm, abaxially subglabrous, adaxially stiffly white hairy, margins glabrous, base rounded, apex acuminate. Inflorescence unknown.

Primary and secondary forests. Hainan [Malaysia].