小八角莲Dysosma difformis

中文名(Chinese Name):小八角莲
学名(Scientific Name):Dysosma difformis (Hemsl. et Wils.) T. H. Wang ex Ying
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Podophyllum tonkinense Gagnep.  Podophyllum difforme Hemsl. et E. H. Wilson  Podophyllum triangulare Hand.-Mazz.
科属(Family & Genus):小檗科Berberidaceae鬼臼属Dysosma
形态特征(Description):多年生草本,植株高15-30厘米。根状茎细长,通常圆柱形,横走,多须根;茎直立,无毛,有时带紫红色。茎生叶通常2枚,薄纸质,互生,不等大,形状多样,偏心盾状着生,叶片不分裂或浅裂,长5-11厘米,宽7-15厘米,基部常呈圆形,两面无毛,上面有时带紫红色,边缘疏生乳突状细齿;叶柄不等长,约3-11厘米,无毛。花2-5朵着生于叶基部处,无花序梗,簇生状;花梗长1-2厘米,下弯,疏生白色柔毛;萼片6,长圆状披针形,长2-2.5厘米,宽2-5毫米,先端渐尖,外面被柔毛,内面无毛;花瓣6,淡赭红色,长圆状条带形,长4-5厘米,宽0.8-1厘米,无毛,先端圆钝;雄蕊6,长约2厘米,花丝长约8毫米,花药长约1.2厘米,药隔先端显著延伸;雌蕊长约9毫米,子房坛状,花柱长约2毫米,柱头膨大呈盾状。浆果小,圆球形。花期4-6月,果期6-9月。
分布(Distribution):产于四川、贵州、湖北、湖南、广西。生于密林下。海拔750-1800米。模式标本采自湖北西部。
用途(Use):根状茎入药,有镇痛功效,主治劳伤,泡酒内服又治风湿关节炎。
引自中国植物志英文版:FOC Vol. 19 Page 784
Dysosma difformis (Hemsley & E. H. Wilson) T. H. Wang ex T. S. Ying, Acta Phytotax. Sin. 17(1): 19. 1979. | Berberidaceae  | Dysosma
小八角莲 xiao ba jiao lian
Podophyllum difforme Hemsley & E. H. Wilson, Bull. Misc. Inform. Kew 1906: 152. 1906; Dysosma tonkinensis (Gagnepain) Hiroe; P. tonkinense Gagnepain; P. triangulum Handel-Mazzetti.
Plants 15-30 cm tall. Rhizomes usually terete, slender, with numerous fibrous roots. Stems erect, sometimes purplish red, glabrous. Leaves alternate, obliquely peltate, unequal in size, sharply diversiform; petioles unequal in length, 3-11 cm, glabrous; leaf blade adaxially sometimes purplish red, 5-11 × 7-15 cm, thinly papery, both surfaces glabrous, base often rounded, entire or lobed, margin sparsely inconspicuously serrate. Inflorescence 2-5-fascicled flowers. Pedicel 1-2 cm, nodding, sparsely white pubescent. Flowers attached near base of blade. Sepals oblong-lanceolate, 2-2.5 cm × 2-5 mm, outside pubescent, inside glabrous, apically acuminate. Petals pale brownish red, oblong-loriform, 4-5 × 0.8-1 cm, glabrous, apex rounded. Stamens ca. 2 cm; filaments ca. 0.8 cm; anthers ca. 1.2 cm; anther connective conspicuously prolonged. Pistil ca. 0.9 cm; ovary urceolate; style ca. 2 mm; stigma shield-shaped. Berry globose, 1.7-2.7 cm. Fl. Apr-Jun, fr. Jun-Sep.
Dense forests; 700-1800 m. Guangxi, Guizhou, Hubei, Hunan, Sichuan [Vietnam].
Shaw (in Stearn, Gen. Epimedium, 280. 2002) treated Podophyllum tonkinense as a synonym of P. versipelle subsp. versipelle.
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