1. Tribe BAMBUSEAE - China

62POACEAE5. Yushania hirticaulis Z. P. Wang & G. H. Ye, J. NanjingUniv., Nat. Sci. Ed. 1981(1): 94. 1981.毛 竿 玉 山 竹 mao gan yu shan zhuCulms 0.7–3 m, 0.45–1 cm in diam.; internodes terete, 12–20 cm, initially densely white powdery, later basally whitepowdery only below nodes, initially setose; wall 1.2–2 mmthick; nodes with weakly prominent supra-nodal ridge; sheathscar prominent, initially densely yellow-brown setose withpersistent remains of sheath base. Branches 3 to many, thicklywhite powdery below nodes. Culm sheaths persistent or graduallydeciduous, triangularly narrowly rounded, shorter thaninternode, leathery, brown setose, especially densely so at base,margins densely brown ciliate; auricles elliptic, narrowly triangular,or falcate, small, puberulous; oral setae erect, yellowbrown,to 1.5 cm; ligule dark purple, arcuate, abaxially slightlyhairy and white powdery; blade erect, triangular or linear-triangular,glabrous. Leaves 3–5 per ultimate branch; leaf sheathapically hairy; auricles small or obscure, subcircular or triangular;oral setae several, light yellow, 5–12 mm; ligule arcuate,glabrous; blade linear-lanceolate, 5–12 × 0.5–1 cm, abaxiallyinitially pubescent, secondary veins 3–5-paired, transverseveins obscure, base cuneate, margins serrulate, apex acuminate.Inflorescence unknown. New shoots May.● 1300–2000 m. E Jiangxi.6. Yushania falcatiaurita Hsueh & T. P. Yi, J. Bamboo Res.5(1): 22. 1986.粉 竹 fen zhuCulms 2–3.5 m, 0.8–1.5 cm in diam.; internodes 20–28cm, flattened, grooved, thickly white powdery below nodes,nearly solid; nodes with level or weakly prominent supra-nodalridge; sheath scar prominent, with persistent remains of sheathbase. Branches 5–15, deflexed. Culm sheaths gradually deciduous,ca. 1/2 as long as internodes, conspicuously longitudinallyribbed only toward their apex, cartilaginous, gray or yellowgraysetose, margins densely yellow-brown setulose; auriclesfalcate, unequal; oral setae yellow-brown, 2–7 mm; ligule arcuate,short; blade erect, linear-lanceolate, glabrous. Leaves 2–4per ultimate branch; leaf sheath initially gray setose, marginsdensely gray-yellow ciliate; auricles developed, purple, falcate;oral setae several, radiating, yellow-brown, 5–12 mm; liguletruncate or arcuate; blade lanceolate, 2–8.5 × 0.5–1.3 cm, glabrous,secondary veins 3–5-paired, transverse veins slightlyvisible, base nearly rounded or broadly cuneate, margins serrulate,apex acuminate. Inflorescence unknown. New shootsMay–Jun.● About 1200 m. W Yunnan.The culms are split for weaving.7. Yushania canoviridis G. H. Ye & Z. P. Wang, Acta Phytotax.Sin. 27: 228. 1989.灰 绿 玉 山 竹 hui lü yu shan zhuMonospatha canoviridis (G. H. Ye & Z. P. Wang) W. T.Lin; M. triloba W. T. Lin.Rhizome neck 20–50 cm. Culms ca. 1.6 m, 4–5 mm indiam.; internodes terete, 15–25 cm, initially slightly whitepowdery, glabrous, nearly solid. Branches (1 or)2–6, deflexed;nodes with weakly prominent supra-nodal ridge; sheath scarprominent, glabrous. Culm sheath persistent, cartilaginous, narrowlyrounded, 2/5–1/2 as long as internodes, abaxially gray oryellow-gray adnately clavate-setose, setae especially dense atbase, longitudinal ribs prominent, margins densely ciliate, apexrounded; auricles falcate, with 5–15 oral setae 5–16 mm; ligulearcuate, short; blade erect or reflexed, linear-lanceolate orstriped. Leaves 2–5 per ultimate branch. Leaf sheath purple,glabrous; auricle absent or small, oral setae 3–5, erect, 3–6 mm;ligule arcuate, ca. 0.2 mm; blade linear-lanceolate, 4.5–10 ×0.5–0.9 cm, glabrous, secondary veins 3- or 4-paired, transverseveins prominent, base cuneate. Inflorescence unknown. Newshoots Jun.● About 1100 m. NW Hunan.8. Yushania weixiensis T. P. Yi, J. Bamboo Res. 5(1): 42.1986.竹 扫 子 zhu sao ziRhizome neck 20–50 cm; internodes 7–10 mm in diam.,hollow. Culms 1–2 m, 3–10 mm in diam.; internodes terete, 18–25 cm, initially white powdery, white-gray setulose; wall ca. 2mm thick; nodes with level or weakly prominent supra-nodalridge; sheath scar prominent, initially yellow-brown setose.Branches 3–7. Culm sheath persistent, narrowly rounded, glabrousor sparsely yellow-brown setose, longitudinal ribs prominent;auricles and oral setae absent; ligule truncate or arcuate,ca. 0.5 mm, glabrous; blade conical or linear-lanceolate, revolute.Leaves 3–5 per ultimate branch; sheath margins glabrous;auricles absent; oral setae 3–5, yellow, 1–4 mm; ligule truncateor arcuate, glabrous; blade narrowly lanceolate, 3.4–7 × 0.3–0.6cm, glabrous, secondary veins 2- or 3-paired, transverse veinsslightly visible, base broadly cuneate, margins smooth. Inflorescenceunknown. New shoots Jul.● 2300–2600 m. W Yunnan.9. Yushania qiaojiaensis Hsueh & T. P. Yi, J. Bamboo Res.5(1): 8. 1986.海 竹 hai zhuRhizome neck 15–40 cm. Culms 0.5–3.1 m, to 1.5 cm indiam.; internodes terete, to 11 cm, glabrous, initially whitepowdery, longitudinal ribs prominent; wall 1–1.5 mm thick;pith membranous; nodes with level or weakly prominent supranodalridge; sheath scar prominent. Branches 5 or 6. Culmsheath deciduous, narrowly triangular, shorter than internodes,thickly papery, retrorsely gray-yellow setose or glabrous, longitudinalribs prominent; auricles and oral setae absent; liguletruncate or arcuate, ca. 0.5 mm, glabrous; blade erect, lineartriangular,glabrous. Leaves 1–3 per ultimate branch; sheathmargins glabrous; auricles absent; oral setae 1–5, yellow, 1–2mm; ligule purple-brown, truncate or irregularly fissured, glabrous;blade lanceolate or linear-lanceolate, 1.7–3.2 × 0.3–0.6cm, abaxially glabrous, adaxially sparsely white-gray pubescent,secondary veins 2- or 3-paired, transverse veins slightlydistinct, base broadly cuneate or nearly rounded, one margindensely serrulate, other margin nearly smooth. Inflorescenceunknown. New shoots May or Aug.● 2000–3100 m. NE Yunnan.