台湾矢竹 tai wan shi zhu

Arundinaria kunishii Hayata, Icon. Pl. Formosan. 6: 136. 1916; Pleioblastus kunishii (Hayata) Ohki; Pseudosasa kunishii (Hayata) Makino & Nemoto; P. taiwanensis Masamune. & Mori; Sinarundinaria kunishii (Hayata) Kanehira & Hatusima; Sinobambusa kunishii (Hayata) Nakai.

Culms 2–6 m, 1–2.5 cm in diam.; internodes 20–35 cm, smooth, glabrous; nodes weakly prominent. Culm sheaths deciduous, light green, initially purple, gray-brown in age, densely setose, margins not ciliate; auricles brown, small, sparsely ciliate; oral setae not radiate; ligule truncate; blade conical, margins entire, sharply pointed. Leaves 1(–3) per ultimate branch; sheath glabrous; auricles obscure; ligule prominent, arcuate; blade lanceolate-oblong or oblong, 10–25 × 2–3.5 cm, margins nearly entire, secondary veins 7–9-paired. Inflorescence unknown.

* 300–1500 m. C and N Taiwan.