破篾黄竹Bambusa contracta

中文名(Chinese Name):破篾黄竹
学名(Scientific Name):Bambusa contracta Chia et H. L. Fung
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):禾本科(Gramineae)簕竹属Bambusa
形态特征(Description):竿高5-6米,直径2-3厘米,尾梢下弯,下部挺直;节间长40-57厘米,幼时薄被白蜡粉,并疏生白色长硬毛,竿壁薄;节平坦,无毛;分枝常自竿下部第四至第六节开始,多枝簇生,主枝略较粗长。箨鞘早落,背面薄被白蜡粉,通常无毛或于底缘处生有紧贴或伸展的暗棕色刺毛,腹面有光泽,先端因向一侧下斜而呈不对称的拱形;箨耳不相等,有波状皱褶,长圆形至披针形,边缘具波曲状繸毛,大耳略向下倾斜,长约3厘米,宽7-10毫米,约比小耳大1倍;箨舌高约2毫米,边缘疏齿裂;箨片直立,狭卵形,长约为箨鞘长的2/5,先端边缘内卷而成锐尖头,基部近圆形收窄后即与箨耳相连,此相连部分为2-3毫米,箨片基部宽度约为箨鞘先端宽的1/4。叶鞘无毛;叶耳近卵形,边缘具长繸毛;叶舌极矮,边缘微齿裂;叶片线形至线状披针形,通常长10-15厘米,宽1.3-1.5厘米,上表面近无毛,下表面密生短柔毛,先端渐尖具钻状细尖头,基部近圆形或楔形。花果未见。
分布(Distribution):产广西。生丘陵地村落或山脚。
用途(Use):本种常用以劈篾编制各种竹编品,由于劈篾性能好,故有破篾黄竹之称。
引自中国植物志英文版FOC Vol. 22 Page 20, 29
Bambusa contracta L. C. Chia & H. L. Fung, Acta Phytotax. Sin. 19: 376. 1981.
破篾黄竹 po mie huang zhu | Poaceae  | Bambusa
Culms 5–6 m, 2–3 cm in diam., apically drooping; internodes 40–57 cm, initially thinly white powdery, sparsely long, white hispid; wall thin; nodes flat, glabrous, branching from 4th to 6th node up. Culm sheaths deciduous, thinly white powdery, usually glabrous or with appressed or erect, stiff, dull brown hairs near base, apex slanted and asymmetrically arched; auricles unequal, oblong to lanceolate, undulate, wrinkled, larger auricle slightly slanted downward, ca. 3 × 0.7–1 cm, ca. 2 × as large as smaller; oral setae undulate; ligule ca. 2 mm, sparsely dentate; blade erect, narrowly ovate, nearly 2/5 as long as sheath, base rounded and joined to auricles for 2–3 mm, ca. 1/4 × as wide as sheath apex, apex involute, apiculate. Leaf blade linear to linear-lanceolate, 10–15 × 1.3–1.5 cm, abaxially densely pubescent, adaxially glabrous. Inflorescence unknown.
* Bases of hills, around villages. Guangxi (Dongxin).
Bambusa contracta is similar to B. textilis, but the culm sheaths have larger auricles and a shorter, narrower, basally more cordate blade.
破篾黄竹Bambusa contracta

破篾黄竹Bambusa contracta
(责任编辑:徐晔春)

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