歪脚龙竹Dendrocalamus sinicus

中文名(Chinese Name):歪脚龙竹
学名(Scientific Name):Dendrocalamus sinicus Chia et J. L. Sun
英文名(English Common Name):
别名(Chinese Common Name):巨龙竹
异名(Synonym):Sinocalamus sinicus (L.C.Chia & J.L.Sun) W.T.Lin
科属(Family & Genus):禾本科(Gramineae)牡竹属Dendrocalamus
形态特征(Description):竿高20-30米,直径20-30厘米,梢端下垂,在基部数节常环生气根;节间圆筒形,基部数节间短缩并常在一面鼓胀而使上下节斜交成畸形,竿下部的正常节间长17-22厘米,幼时密被白粉;节内具一圈宽为3-4毫米的黄棕色绢毛带;枝下高3-5米,主枝常不发达。竿箨在不分枝的各节迟落或宿存;箨鞘厚革质,初呈黄绿色,长于其节间,背面疏生柔毛,腹面在脉间被小刺毛;箨耳不发达;箨舌高6毫米;箨片直立而稍外展,背部疏生柔毛,腹面在脉间被小刺毛。末级小枝约具8叶;叶鞘幼时被毛茸,以后变为无毛;叶耳无;叶舌高1.5-2毫米;叶片长20-40厘米,宽4-6.5厘米,两面均疏被柔毛或近于无毛,次脉10-13对。花枝无叶或有时具叶,呈大型圆锥花序状,其枝条每节着生1至数枚假小穗,枝的节间长2-4厘米,被绒毛;小穗略扁,长3-3.5厘米,宽6.5-7.5毫米,先端渐尖,含5或6朵小花,最上方的小花仅剩下外稃;颖2片,长1.2-1.5厘米,背面被微毛,多脉,先端具小尖头;外稃与颖相类似,长1.7-2.5厘米;内稃背部具2脊,脊间有5脉,先端2裂;花丝长1.5-3厘米,互相分离或在基部有时靠接而成为易于分离的花丝管,花药长8-12毫米;花柱甚长,柱头单一。果实未见。
分布(Distribution):产云南南部至西南部。栽培于海拔650-1000米地带。
用途(Use):
引自中国植物志英文版FOC Vol. 22 Page 44
Dendrocalamus sinicus L. C. Chia & J. L. Sun, Bamboo Res. 1(1): 10. 1982.
歪脚龙竹 wai jiao long zhu  | Poaceae  | Dendrocalamus
Culms 20–30 m, 20–30 cm in diam.; internodes 17–22 cm. Culm sheaths deciduous or persistent, initially yellow-green, thickly leathery; auricles absent; ligule ca. 6 mm; blade erect. Leaf sheaths initially slightly hairy, becoming glabrous; ligule 1.5–2 mm; blade 20–40 × 4–6.5 cm. Pseudospikelets 1 or more. Spikelets 30–35 × 6.5–7.5 mm; florets 5 or 6. Glumes 1.2–1.5 cm, abaxially slightly hairy, apex mucronate; lemma 17–25 mm; palea 5-veined between keels, apex bifid. Filaments 1.5–3 cm; anthers 8–12 mm. Style long; stigma 1. Fruit unknown.
* 600–1000 m. Yunnan.
歪脚龙竹Dendrocalamus sinicus

歪脚龙竹Dendrocalamus sinicus

歪脚龙竹Dendrocalamus sinicus

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