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FOC | Family List | FOC Vol. 22 | Poaceae | Dendrocalamus

3. Dendrocalamus barbatus Hsueh & D. Z. Li, J. Bamboo Res. 7(4): 4. 1988.

小叶龙竹 xiao ye long zhu

Culms 15–18 m, 10–15 cm in diam., tip slightly drooping; internodes 26–32 cm; wall thick. Branches several, main mid-culm ones 3. Culm sheaths deciduous, orange-brown, ca. 3/4 as long as internodes, leathery, margins ciliate, apex rounded; auricles 5–15 mm; oral setae present or absent; ligule 5–8 mm, serrulate; blade reflexed, glabrous or densely bearded at base. Leaf sheaths sparsely hairy; auricles inconspicuous, sparsely hairy; ligule ca. 1 mm; blade narrowly lanceolate, 10–15 × 1–2 cm. Pseudospikelet clusters 1–2.2 cm in diam. Spikelets 6–8.5 mm, nearly glabrous; fertile florets usually 2. Glumes 2 or 3; lemma 6–7 mm, apex shortly mucronate; palea 5–6 mm. Anthers yellow, becoming purple when dry, ca. 6 mm. Pistil 6–7.5 mm; ovary, style, and stigma all hairy; stigmas solitary. Fruit unknown.

* Mostly in cultivation; 300–1100 m. S Yunnan.

1 Culm sheath auricles with oral setae; blade with basal beard.   3a var. barbatus
+ Culm sheath auricles without oral setae; blade glabrous.   3b var. internodiradicatus


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