食用土当归Aralia cordata

中文名(Chinese Name):食用土当归
学名(Scientific Name):Aralia cordata Thunb.
英文名(English Common Name):
别名(Chinese Common Name):土当归,食用楤木
异名(Synonym):Aralia taiwaniana Y. C. Liu et F. Y. Lu
科属(Family & Genus):五加科Araliaceae楤木属Aralia
形态特征(Description):多年生草本,地下有长圆柱状根茎;地上茎高0.5-3米,粗壮,基部直径可达2厘米。叶为二回或三回羽状复叶;叶柄长15-30厘米,无毛或疏生短柔毛;托叶和叶柄基部合生,先端离生部分锥形,长约3毫米,边缘有纤毛;羽片有小叶3-5; 小叶片膜质或薄纸质,长卵形至长圆状卵形,长4-15厘米,宽3-7厘米,先端突尖,基部圆形至心形,侧生小叶片基部歪斜,上面无毛,下面脉上疏生短柔毛,边缘有粗锯齿,基部有放射状脉3条,中脉有侧脉6-8对,上面不甚明显,下面隆起而明显,网脉在上面不明显,下面明显;小叶柄长达2.5厘米,顶生的长可达5厘米。圆锥花序大,顶生或腋生,长达50厘米,稀疏;分枝少,着生数个总状排列的伞形花序;伞形花序直径1.5-2.5厘米,有花多数或少数;总花梗长1-5厘米,有短柔毛;苞片线形,长3-5毫米;花梗通常丝状,长10-12毫米,有短柔毛;小苞片长约2毫米;花白色;萼无毛,长 1.2-1.5毫米,边缘有5个三角形尖齿;花瓣5,卵状三角形,长约1.5毫米,开花时反曲;雄蕊5,长约2毫米;子房5室;花柱5,离生。果实球形,紫黑色,直径约3毫米,有5稜;宿存花柱长约2毫米,离生或仅基部合生。花期7-8月,果期9-10月。
分布(Distribution):分布于湖北、安徽、江苏、广西、江西、福建和台湾。生于林荫下或山坡草丛中,海拔1300-1600米。日本也有分布。
用途(Use):本种嫩叶有香气,供食用,根供药用,作祛风活血药。
引自中国植物志英文版:FOC Vol. 13 Page 482, 488
Aralia cordata Thunberg, Fl. Jap. 127. 1784.
食用土当归 shi yong tu dang gui | Araliaceae  | Aralia
Aralia taiwaniana Y. C. Liu & F. Y. Lu.
Herbs, perennial, 0.5-3 m tall. Stem stout, with elongate, cylindric rhizome. Leaves 2- or 3-pinnately compound; petiole 15-30 cm, glabrous or sparsely pubescent; petiolules to 2.5 cm (terminal one to 5 cm); leaflets 3-5 per pinna, narrowly ovate to oblong-ovate, 4-15 × 3-9 cm, membranous to subleathery, abaxially sparsely pubescent on veins, adaxially glabrous, secondary veins 6-8 pairs, tertiary veins distinct abaxially, inconspicuous adaxially, base rounded to cordate, margin coarsely serrate, apex acute. Inflorescence a lax terminal or axillary few branched panicle of umbels; primary axis longer than 10 cm; bracts linear, 3-5 mm; umbels racemosely arranged, few- to many flowered; pedicels 1-1.2 cm, filiform, pubescent. Ovary 5-carpellate; styles 5, free. Fruit globose, ca. 3 mm in diam.; styles persistent, ca. 2 mm. 2n = 24*, 48*.
● Shaded places in forests, grasslands on slopes; 1300-1600 m. Anhui (Huang Shan), Fujian (Chong’an), Guangxi (Longsheng, Ziyuan), Hubei (Enshi, Xuan’en), Jiangxi, Taiwan, Zhejiang.
This species is used medicinally and as a vegetable.
 食用土当归Aralia cordata

食用土当归Aralia cordata
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