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菊薯Smallanthus sonchifolius

时间:2013-07-23 13:36来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):菊薯 学名( Scientific Name ): Smallanthus sonchifolius (Poepp. et Endl.) H. Rob. 英文名( English Common Name ): 别名( Chinese Common Name ): 雪莲果 异名( Synonym ): Polymnia edulis Wedd. 科属( Family




中文名(Chinese Name):菊薯
学名(Scientific Name):Smallanthus sonchifolius (Poepp. et Endl.) H. Rob.
英文名(English Common Name):
别名(Chinese Common Name):雪莲果
异名(Synonym):Polymnia edulis Wedd. 
科属(Family & Genus):菊科(Compositae)离苞果属
形态特征(Description):
分布(Distribution):产秘鲁安第斯山脉,我国引种栽培。
用途(Use):
引自中国植物志英文版FOC Vol. 20-21 Page 867
Smallanthus sonchifolius (Poeppig) H. Robinson, Phytologia. 39: 51. 1978.
菊薯 ju shu | Asteraceae  | Smallanthus
Polymnia sonchifolia Poeppig, Nov. Gen. Sp. Pl. 3: 47. 1843.
Herbs, perennial, 1-3 m tall. Stems cylindric and hollow; underground part irregularly branched, often producing spindle-shaped tubers 100-200 mm and 30-80 mm in diam. Lower leaves broadly ovate and hastate or subhastate, connate and auriculate at base; upper leaves ovate-lanceolate, without lobes and hastate base; upper and lower surfaces densely pubescent. Synflorescence terminal, composed of 1-5 branches, each one with 3 capitula; peduncles densely pilose; phyllaries 5, 1-seriate, ovate. Corollas yellow to bright orange; ray florets female, 2- or 3-toothed, depending on clone, lamina ca. 12 × 7 mm; disk florets male, ca. 7 mm. Immature achenes purple, turning dark brown or black at maturity. Fl. Jun-Sep.
Cultivated in Fujian, Guizhou, Hainan, Hebei, Hubei, Hunan, Shandong, Taiwan, Yunnan, and Zhejiang [native to South America (Bolivia, Colombia, Ecuador, Peru)].
Known as Yacón in South America, this species is an ancient crop of the Andes with tuberous roots that can be eaten raw or cooked.
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