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髯毛箬竹Indocalamus barbatus McClure

髯毛箬竹Indocalamus barbatus McClure

别名:蓬叶竹;篷叶竹;

科名:禾本科 Gramineae

属名:箬竹属 Indocalamus

《中国植物志》第9(1)卷699页
  18.髯毛箬竹(植物分类学报)图版214:4
  Indocalamus barbatus McClure in Sunyatsenia 6: 32. 1941; 广西竹种及其栽培91页. 图49. 1987.
  竿高约1.5米,直径5-10毫米;节间长25-35(45)厘米,实心,幼时密被棕色伏贴疣基刺毛;箨环较平坦,其周围有箨鞘基部的残留物,竿环隆起;节内长9-10毫米。箨鞘长约为节间的1/2-1/3,绿色,背部密被淡棕色疣基长毛;箨耳极发达,镰形,长1.5-2厘米,边缘密生两行放射状伸展的繸毛,后者长2-3厘米;箨舌高0.5-1毫米,截形或微凹,边缘密生流苏状繸毛,其长为2-3厘米;箨片椭圆状披针形,绿色,向上逐渐增大。小枝具5-8叶;叶鞘厚硬,背部密被疣基长毛,以后逐渐变为无毛而留有疣基,通常上部还密被白色柔毛;叶耳较厚,极发达,长15毫米,宽约3毫米,其边缘生有长达3厘米呈放射状伸展的疣基繸毛,叶舌高约2毫米,边缘密生直立流苏状繸毛,后者长2-2.5厘米;叶片椭圆状卵形、椭圆形或椭圆状披针形,长15-35 (40)厘米,宽5-9(12)厘米,先端渐尖呈锥状粗糙尖头,基部宽楔形,上表面无毛,下表面沿叶脉被短粗毛,次脉8-12对,小横脉形成较为稀疏的长方格形。花序未见。笋期春夏。
  产广西金秀县大瑶山(模式标本产地)。海拔500米,生于常绿阔叶林内。
  竿可作筷子和毛笔杆等,叶片可作斗笠,船篷等的衬垫材料。
形态特征:竿高约1.5米,直径5—10毫米;节间长25—35(45)厘米,实心,幼时密被棕色伏贴疣基刺毛;箨环较严坦,其周围有箨鞘基部的残留物,竿环隆起;节内长9—10毫米。箨鞘长约为节间的1/2—1/3,绿色,背部密被淡棕色疣基长毛;箨耳极发达,镰形,长1.5—2厘米,边缘密生两行放射状伸展的继毛,后者长2—3厘米;箨舌高0.5—1毫米,截形或微凹,边缘密生流苏状缝毛,其长为2—3堙米;箨片椭圆状披针形,绿色,向上逐渐增大。小枝具5—8叶;叶鞘厚硬,背部密被疣基长毛,以后逐渐变为无毛而留有疣基,通常上部还密被白色柔毛;叶耳较厚,极发达,长15毫米,宽约3毫米,其边缘生有长达3厘米呈放射状伸展的疣基继毛,叶舌高约2毫米,边缘密生直立流苏状缒毛,后者长2—2.5厘米;叶片椭圆状卵形、椭圆形或椭圆状披针形,长15—35(40)厘米,宽5—9(12)厘米,先端渐尖呈锥状粗糙尖头,基部宽楔形,上表面无毛,下表面沿叶脉被短粗毛,次脉8—12对,小横脉形成较为稀疏的长方格形。花序未见。笋期春夏。
用    途:竿可作筷子和毛笔杆等,叶片可作斗笠,船篷等的衬垫材料。
产地分布:产广西金秀县大瑶山(模式标本产地)。海拔500米,生于常绿阔叶林内。
参考文献:IndocalamusbarbatusMcClureinSunyatsenia6:32.1941;广西竹种及其栽培91页.图49.1987.

《Flora of China》 Vol. 22 (2006)
Indocalamus barbatus  McClure
髯毛箬竹   ran mao ruo zhu
Culms ca. 1.5 m, 0.5–1 cm in diam.; internodes 25–35(–45) cm, densely brown strigose, solid; nodes strongly elevated, nodal ridge very prominent; sheath scar relatively flat, fringed with persistent culm sheath base; intranode 9–10 mm. Culm sheaths green, 1/3–1/2 as long as internodes, densely brown strigose; auricles falcate, 1.5–2 cm, oral setae in 2 or more rows, radiate, 2–3 cm; ligule truncate or weakly concave, 0.5–1 mm, densely fimbriate with hairs 2–3 cm; blade green, elliptic-lanceolate. Leaves 5–8 per ultimate branch; sheath rigid, densely long white strigose or later with striae and papillae from fallen hairs, upper part intermixed with dense white pubescence; auricles rather thick, ca. 15 × 3 mm; oral setae in 2 or more crowded irregular rows, radiate, pale to dark straw-colored, to 3 cm; blade elliptic to elliptic-lanceolate, 15–35(–40) × 5–9(–12) cm, abaxially pubescent, adaxially glabrous, secondary veins 8–12-paired, tessellations rectangular, base broadly cuneate, apex acuminate into subulate point. New shoots spring–summer. 2n = 48*.
* Evergreen broad-leaved valley forests; ca. 500 m. Guangxi.

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