刺果藤Byttneria grandifolia

中文名(Chinese Name):刺果藤
学名(Scientific Name):Byttneria grandifolia DC.
英文名(English Common Name):
别名(Chinese Common Name):
异名Synonym):Byttneria aspera Colebr.  Buettneria grandifolia DC.  Byttneria siamensis Craib
科属Family & Genus):梧桐科(Sterculiaceae)刺果藤属
形态特征Description):木质大藤本,小枝的幼嫩部分略被短柔毛。叶广卵形、心形或近圆形,长7-23厘米,宽5.5-16厘米,顶端钝或急尖,基部心形,上面几无毛,下面被白色星状短柔毛,基生脉5条;叶柄长2-8厘米,被毛。花小,淡黄白色,内面略带紫红色;萼片卵形,长2毫米,被短柔毛,顶端急尖;花瓣与萼片互生,顶端2裂并有长条形的附属体,约与萼片等长;具药的雄蕊5枚,与退化雄蕊互生;子房5室,每室有胚珠两个。萼果圆球形或卵状圆球形,直径3-4厘米,具短而粗的刺,被短柔毛;种子长圆形,长约12毫米,成熟时黑色。花期春夏季。
分布(Distribution):产广东、广西、云南三省区,生于疏林中或山谷溪旁。印度、越南、柬埔寨、老挝、泰国等地也有分布。
用途(Use):本种的茎皮纤维可以制绳索。
引自中国植物志英文版:FOC Vol. 12 Page 322, 323 
Byttneria grandifolia Candolle, Prodr. 1: 486. Ja. 1824.
刺果藤 ci guo teng| Sterculiaceae  | Byttneria
Byttneria aspera Colebrooke ex Wallich (Mar-Jun 1824); B. siamensis Craib.
Woody, big lianas. Branchlets sparsely puberulent when young. Petiole 2-8 cm, hairy; leaf blade broadly ovate, cordate, or nearly orbicular, 7-23 × 5.5-16 cm, abaxially white stellate
puberulent, adaxially glabrous, basal veins 5, base cordate, margin entire, apex obtuse or acute. Sepals ovate, ca. 2 mm, puberulent, apex acute. Petals yellowish white, and purple-red adaxially, apex 2-lobed, with long ligulate appendix, nearly as long as sepals. Capsule globose or ovoid-globose, 3-4 cm in diam., spiny, spines short and robust, puberulent. Seeds oblong, ca. 12 mm, black when mature. Fl. spring and summer.
Open forests, valley streamsides; 200-300 m. Guangdong, Guangxi, Hainan, Yunnan [Bangladesh, Bhutan, Cambodia, India, Laos, Nepal, Thailand, Vietnam].
 刺果藤Byttneria grandifolia

刺果藤Byttneria grandifolia

刺果藤Byttneria grandifolia
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