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毛鞘箬竹Indocalamus hirtivaginatus Zhao et Yang

毛鞘箬竹Indocalamus hirtivaginatus Zhao et Yang

科名:禾本科 Gramineae

属名:箬竹属 Indocalamus

《中国植物志》第9(1)卷691页
  10.毛鞘箬竹(植物分类学报)图版208:6,7
  Indocalamus hirtivaginatus H. R. Zhao et Y. L. Yang in Act. Phytotax. Sin. 23(6): 463. pl. 2. f. 5-7. 1985.
  竿高约2米,直径0.8-1厘米;节间圆筒形,最长可达19厘米,最短者约为12厘米,幼时绿稍带紫色,无毛或被白色微毛,解箨后还被有白粉,节下方密生褐色微毛,竿壁厚1.5-2毫米;竿环略高;箨环平坦;枝条被白色和淡棕色的伏贴柔毛,以及稀疏贴生呈褐色向下的硬刺毛。箨鞘一般长于节间,革质,紧抱竿,新鲜时绿色,顶端渐尖稍带紫色,背部密被棕色伏贴疣基刺毛;箨耳无或微弱,存在时疏生粗糙的繸毛;箨舌高0.7-1.8毫米,背部有短毛,边缘疏生粗糙的纤毛;箨片直立,线状披针形。叶耳无;叶舌高1-2毫米,边缘有灰色纤毛;叶柄长0.5-0.7厘米;叶片长椭圆状披针形,长19-34厘米,先端尾尖,宽4.5-7厘米,两面无毛,惟在下表面近基部处有时具毛,次脉9-12对,小横脉呈方格状。花序未见。笋期4月上中旬。
  产江西瑞金拔英林场路边(模式标本产地)。
形态特征:竿高约2米,直径0.8—1厘米;节间圆筒形,最长可达19厘米,最短者约为12厘米,幼时绿稍带紫色,无毛或被白色微毛,解箨后还被有白粉,节下方密生褐色微毛,竿壁厚1.5—2毫米;竿环略高;箨环平坦;枝条被白色和淡棕色的伏贴柔毛,以及稀疏贴生呈褐色向下的硬刺毛。箨鞘一般长于节间,革质,紧抱竿,新鲜时绿色,顶端渐尖稍带紫色,背部密被棕色伏贴疣基刺毛;箨耳无或微弱,存在时疏生粗糙的缒毛;箨舌高0.7—1.8毫米,背部有短毛,边缘疏生粗糙的纤毛;箨片直立,线状披针形。叶耳无;叶舌高1—2毫米,边缘有灰色纤毛;叶柄长0.5—0.7厘米;叶片长椭圆状披针形,长19—34厘米,先端尾尖,宽4.5—7厘米,两面无毛,惟在下表面近基部处右时具毛,次脉9—12对,小横脉呈方格状。花序未见。笋期4月上中旬。
产地分布:产江西瑞金拔英林场路边(模式标本产地)。
参考文献:IndocalamushirtivaginatusH.R.ZhaoetY.LiYanginAct.Phytotax.Sin.23(6):463.Pl.2.f.5—7.1985.

《Flora of China》 Vol. 22 (2006)
Indocalamus hirtivaginatus  H. R. Zhao & Y. L. Yang
毛鞘箬竹   mao qiao ruo zhu
Culms ca. 2 m, 0.8–1 cm in diam.; internodes purple-green, initially white powdery and glabrous or white puberulent, densely brown tomentose below nodes; wall 1.5–2 mm thick; supra-nodal ridge elevated, more prominent than sheath scar. Branches minutely appressed white or brown pubescent and retrorsely strigose. Culm sheaths commonly longer than internode, densely white tomentose and brown strigose or with imprints of fallen hairs; auricles absent or if present, small, sparsely fringed with scabrid oral setae; ligule 0.7–1.8 mm, puberulent, sparsely scabrid ciliate; blade erect, linear-lanceolate, 1.5–6.5 cm. Leaf auricles absent; ligule 1–2 mm, margin pale ciliate; pseudopetiole 0–7 mm; blade oblong-lanceolate, 19–34 × 4.5–7 cm, glabrous, except pubescent abaxially at base, secondary veins 9–12 pairs, tessellations square. New shoots Apr.
* Roadsides. Jiangxi.

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