巴山箬竹 ba shan ruo zhu

Sasa bashanensis C. D. Chu & C. S. Chao, Acta Phytotax. Sin. 18: 30. 1980.

Culms 2–3 m, 1–1.5 cm in diam.; internodes 38–42 cm at mid-culm, white powdery, densely strigose or with imprints of fallen hairs; wall 2–3 mm thick; nodes elevated, nodal ridge more prominent than sheath scar. Culm sheaths yellow-brown, tinged with red, base with a corky ring, densely strigose or with imprints left by fallen hairs; auricles and oral setae absent; ligule subtruncate, 2–4 mm, glabrous, margin dentate; blade narrowly lanceolate, short. Leaves 6–9 per ultimate branch; sheath conspicuously striate, glabrous; auricles and oral setae absent; ligule well developed, brown, arcuate, (2–)4–8 mm, nearly entire or weakly sinuous, glabrous but dark scurfy powdery; blade elliptic-lanceolate or linear-lanceolate, 25–35 × 4–8 cm, abaxially glabrous but dark scurfy powdery, adaxially glabrous, secondary veins 10–13 pairs, tessellations nearly square, base cuneate or broadly cuneate, one margin scabrid, other margin smooth. Inflorescence unknown.

* Calcareous mountain slopes, valleys. Sichuan.