单穗鱼尾葵 Caryota monostachya

中文名(Chinese Name):单穗鱼尾葵
学名(Scientific Name):Caryota monostachya Becc. 
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):棕榈科(Palmae)鱼尾葵属
形态特征(Description):茎丛生,矮小,高2-4米,直径3.5-4厘米,绿色,表面不被微白色的毡状绒毛。叶长2.5-3.5米;羽片楔形或斜楔形,长11-18(-27)厘米,宽4-8厘米,基部两侧不对称,幼叶薄而脆,老叶近革质,外缘常为笔直,内缘弧曲或不规则的齿缺,且延伸成尾尖;叶柄长1-1.25米,近圆形,直径1.5-2.5厘米;叶鞘具细条纹,边缘具网状的褐色纤维。佛焰苞管状,长20-30厘米,顶端斜截,套接,被毡状的褐色绒毛;花序长40-80厘米,常不分枝,偶从基部分出一短枝,无毛;雄花蕾时短圆锥状,花时椭圆形,萼片宽卵形,长4-5毫米,宽7-8毫米,顶端全缘,不具睫毛,花瓣长圆形,长9-11毫米,宽5-6毫米,紫红色,雄蕊90-130枚,花药线形,长约8毫米,黄色,花丝短,近白色;雌花萼片宽卵形,长3-4毫米,顶端全缘或微凹,无毛,花瓣狭卵形,长5-7毫米,宽2-3毫米,顶端具尖头,紫红色;退化雄蕊2-3枚,丝状,淡绿色,与花瓣对生;子房卵状三棱形,柱头无柄。果实球形,直径2.5-3.5厘米,成熟时紫红色。种子2颗,半球形,胚乳嚼烂状。花期3-5月,果期7-10月。
分布(Distribution):产广东、广西、贵州、云南等省区,生于海拔130-1600米的山坡或沟谷林中。越南、老挝也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 23 Page 150   
Caryota monostachya Beccari, Webbia. 3: 196. 1910.
单穗鱼尾葵 dan sui yu wei kui| Arecaceae  | Caryota
Stems clustered, with few stems per cluster, to 3 m tall, 2-4 cm in diam. Leaves borne almost all along stem; petioles 80-150 cm; rachis 1-2.5 m; primary pinnae 4-9 per side of rachis; secondary pinnae 5 or 6 per side of secondary rachis, with scarcely jagged margins and short apices. Inflorescences borne among leaves, to 1 m; rachillae 1-3, 30-40 cm; male flowers to 17 mm; sepals 3-5 mm; petals purple to maroon, ca. 17 mm; stamens 60-75; female flowers to 8 mm; sepals 3-5 mm; petals 5-8 mm. Fruits brownish purple, globose, to 3.5 cm in diam.
Lowland to montane rain forests, often on limestone soils; below 1400 m. Guangxi, Guizhou, Yunnan [Vietnam].
单穗鱼尾葵 Caryota monostachya

单穗鱼尾葵 Caryota monostachya(责任编辑:徐晔春)

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