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树头芭蕉Ensete wilsonii

时间:2013-10-18 12:39来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):树头芭蕉 学名( Scientific Name ): Ensete wilsonii (Tutcher) Cheesman 英文名( English Common Name ): 别名( Chinese Common Name ): 野芭蕉、象头蕉 异名( Synonym ): Musa wilsonii Tutch. 科属( Family Genus
中文名(Chinese Name):树头芭蕉
学名(Scientific Name): Ensete wilsonii (Tutcher) Cheesman 
英文名(English Common Name):
别名(Chinese Common Name):野芭蕉、象头蕉
异名(Synonym):Musa wilsonii Tutch.
科属(Family & Genus):芭蕉科(Musaceae)象腿蕉属
形态特征(Description):植株高6-12米,无蜡粉。假茎胸径15-25厘米,淡黄色,带紫褐色斑块。叶片长圆形,长1.8-2.5米,宽60-80厘米,基部心形,叶脉于基部弯成心形;叶柄细而长,有张开的窄翼,长40-60厘米。花序下垂,序轴无毛;苞片外面紫黑色,被白粉,内面浅土黄色,每苞片内有花2列;花被片淡黄色,离生花被片倒卵状长圆形,先端具小尖头,合生花被片长为离生花被片的2倍或以上,先端3齿裂,中裂片两侧具小裂片。浆果几圆柱形,长10-13厘米,直径4.4 厘米,果身直,成熟时灰深绿色,果柄长3.5-4.5厘米,深绿色,密被白色短毛,果内几乎全是种子。
分布(Distribution):产我国南岭以南各省区;多生于海拔2700米以下沟谷潮湿肥沃土中。越南、老挝亦有。
用途(Use):花、假茎、根头作菜或当饭吃,假茎亦可作猪饲料,全株尚可入药,可截疟。
引自中国植物志英文版:FOC Vol. 24 Page 315
Ensete wilsonii (Tutcher) Cheesman, Kew Bull. 2: 103. 1947.
象头蕉 xiang tou jiao| Musaceae  | Ensete
Musa wilsonii Tutcher, Gard. Chron., ser. 3, 32: 450. 1902.
Pseudostem conical, ca. 1.7 m tall (measured to crown of leaves at maturity), 38--45 cm in diam. at base, 18--20 cm in diam. immediately below basal leaves of crown. Petiole ca. 60 cm, deeply channeled; leaf blade oblong, 3.3--4 m × 60--70 cm, base truncate to slightly cordate, apex acute. Inflorescence ca. 1 m, ca. 38 cm. in diam. at base, 10--13 cm in diam. at apex. Bracts green, persistent, proximal ones lanceolate, ca. 30 cm, distal ones ovate, much shorter than proximal ones. Flowers 15--20 per bract. Tepals white; compound tepal ca. 5 cm, apex 3-lobed, lobes free or laxly coherent; free tepal short, less than 1/2 as long as compound tepal, apex 3-cuspidate, central cusp linear, large. Berries golden yellow, trigonous clavate, 9--11.5 × ca. 4 cm, pulpy. Seeds ca. 20, black, 1--1.3 cm in diam., angled, slightly wrinkled. Fl. Jun, fr. Oct.
* Wild or cultivated in fertile soil in ravines; near sea level to 2700 m. Yunnan.
The species is used to feed pigs.
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