1. Tribe BAMBUSEAE - China

POACEAE 67The culms are split for weaving.28. Yushania ailuropodina T. P. Yi, J. Bamboo Res. 15(3): 6.1996.紫 斑 玉 山 竹 zi ban yu shan zhuRhizome neck (10–)20–45 cm; internodes solid. Culms 3–4(–5) m, 0.8–1.5 cm in diam.; internodes terete, 22–26(–36)cm, glabrous, white powdery and with purple spots whenyoung; wall 2–3 mm thick; sheath scar prominent, brown,glabrous. Branches 6–10. Culm sheaths persistent, with dense,brown to deep purple spots, narrowly rounded, 1/3–1/2 as longas internodes, cartilaginous, adaxially glabrous; auricles andoral setae absent; ligule purple, truncate, 1–2 mm; blade reflexed,linear-lanceolate, (4–)10–40 × 1.5–2.5 mm, glabrous.Leaves 2–4(or 5) per ultimate branch; sheath 2–3 cm, glabrous;auricles absent; oral setae absent to 3; ligule truncate, glabrous;blade linear-lanceolate, 4–7.5 × 0.5–0.7 cm, glabrous, secondaryveins 2-paired, transverse veins distinct, base cuneate,margin initially serrulate. Inflorescence unknown. New shootsJun.● 2600–3000 m. Sichuan.This species is named after the giant panda, Ailuropoda melanoleuca.29. Yushania mitis T. P. Yi, J. Bamboo Res. 9(3): 35. 1990.泡 滑 竹 pao hua zhuRhizome neck 8–40 cm; internodes solid. Culms 3–4.5 m,1–2 cm in diam.; internodes terete, 18–45 cm, longitudinallyribbed, initially white powdery, glabrous or initially white-graysetose; wall 2–4 mm thick; supra-nodal ridge weakly prominent;sheath scar prominent, initially slightly setose. Branches3–7. Culm sheath deciduous, densely purple-brown spotted,triangularly narrowly rounded or narrowly triangular, ca. 1/2 aslong as internodes, leathery, prominently longitudinally ribbed,sparsely yellow setulose, margins initially yellow-brown ciliolate;auricles absent, oral setae absent or 1, ca. 1 cm; liguletruncate, 1.5–4 mm; blade erect or reflexed, linear-triangular ortriangular-lanceolate. Leaves 3–6 per ultimate branch; sheathmargins initially ciliate; auricles absent; oral setae few, 1–5mm; ligule truncate or arcuate, external ligule ciliate; blade narrowlylanceolate, 1.2–10.5 × 0.4–0.8 cm, glabrous, secondaryveins 2–4-paired, transverse veins distinct, base cuneate, marginsserrulate. Inflorescence unknown. New shoots Apr.● 1800–2500 m. NE Yunnan.The culms are used for weaving.30. Yushania xizangensis T. P. Yi, J. Bamboo Res. 2(2): 50.1983.西 藏 玉 山 竹 xi zang yu shan zhuRhizome neck 4–20 cm; internodes solid. Culms to 4.5 m,1–2 cm in diam.; internodes terete, 25–40 cm, glabrous or initiallydistally brown setulose; wall 2–3.5 mm thick; nodes withlevel supra-nodal ridge; sheath scar prominent, glabrous or initiallyslightly setose. Branches 10–19. Culm sheaths graduallydeciduous or persistent, triangularly narrowly rounded, shorterthan internode, leathery, prominently longitudinally ribbed,brown to dark brown setose, margins densely brown ciliolate;auricles absent; ligule arcuate, ca. 1 mm; blade readily deciduous,revolute. Leaves 2–4 per ultimate branch; sheath glabrous;auricles absent; oral setae few, 2–4 mm; ligule truncateor convex, glabrous, margins slightly fissured; blade narrowlylanceolate, 3–11 × 0.5–0.8 cm, secondary veins 3- or 4-paired,transverse veins distinct, adaxially and basally sparsely setose,base cuneate or broadly so, margins serrulate. Inflorescence unknown.● About 2400 m. S Xizang.31. Yushania brevis T. P. Yi, J. Bamboo Res. 5(1): 11. 1986.绿 春 玉 山 竹 lü chun yu shan zhuRhizome neck 4.5–20 cm; internodes solid. Culms 1–2.5m, 4–6 mm in diam.; internodes terete, 20–30 cm, glabrous,initially with white powdery ring below nodes, nearly solid;supra-nodal ridges level; sheath scar prominent. Branches 1–6per node. Culm sheaths persistent, narrowly rounded, ca. 1/5 aslong as internodes, leathery, slightly prominently longitudinallyribbed, glabrous or basally yellow-brown setose, marginsdensely brown-ciliolate; auricles absent; oral setae few, deciduous;ligule truncate, ca. 0.5 mm, glabrous; blade deflexed orerect, linear-triangular or linear-lanceolate. Leaves 2–6 per ultimatebranch; sheath glabrous; auricles absent; oral setae 7–9,yellow, 2–3 mm; ligule truncate or convex, external ligule initiallygray-puberulous; blade linear-lanceolate, 4–14.5 × (0.6–)0.9–1.3 cm, glabrous or abaxially proximally sparsely setose,secondary veins 3- or 4-paired, transverse veins distinct, basecuneate, one margin serrulate, other margin smooth. Inflorescenceunknown. New shoots Aug–Sep.● About 2000 m. S Yunnan.32. Yushania menghaiensis T. P. Yi, Acta Bot. Yunnan. 10:441. 1988.隔 界 竹 ge jie zhuRhizome neck 18–55 cm; internodes solid. Culms 2–3.5m, 1–1.3 cm in diam.; internodes terete, 23–32 cm, initiallythinly white powdery, especially below nodes; wall 2–5 mmthick; supra-nodal ridges level; sheath scar prominent. Branches5–20 per node. Culm sheath persistent, triangularly narrowlyrounded, 1/3–1/2 as long as internodes, thinly leathery, prominentlylongitudinally ribbed, appressed yellow or brownclavate-setose, margins initially ciliolate; auricles absent; oralsetae 1 or 2 initially, erect, gray, 3–4 mm; ligule truncate orconvex, ca. 1 mm; blade reflexed, triangular or linear, glabrous,margins rolled. Leaves 4–7 per ultimate branch; sheath glabrous;auricles absent or small; oral setae 3 or 4, yellow, 1.5–4mm; ligule truncate, initially hairy; external ligule initiallypuberulous; blade lanceolate, 10–24 × (0.8–)1.4–3.1 cm, abaxiallydensely gray pubescent, secondary veins 4- or 5-paired,transverse veins not prominent, base cuneate, margins serrulate.Inflorescence unknown. New shoots Sep.● About 2300 m. S Yunnan.33. Yushania collina T. P. Yi, J. Bamboo Res. 5(1): 13. 1986.德 昌 玉 山 竹 de chang yu shan zhuRhizome neck more than 20 cm; internodes solid. Culms