独叶草Kingdonia uniflora

中文名(Chinese Name):独叶草
学名(Scientific Name):Kingdonia uniflora Balf. f. et W. W. Smith
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):毛茛科(Ranunculaceae)独叶草属
形态特征(Description):多年生小草本,无毛。根状茎细长,自顶端芽中生出1叶和1条花葶;芽鳞约3个,膜质,卵形,长4-7毫米。 叶基生,有长柄,叶片心状圆形,宽3.5-7厘米,五全裂,中、侧全裂片三浅裂,最下面的全裂片不等二深裂,顶部边缘有小牙齿,背面粉绿色,叶柄长5-11厘米。花葶高7-12厘米。花直径约8毫米;萼片(4-)5-6(-7),淡绿色,卵形,长5-7.5毫米,顶端渐尖;退化雄蕊长1.6-2.1毫米;雄蕊长2-3毫米,花药长约0.3毫米;心皮长约1.4毫米,花柱与子房近等长。瘦果扁,狭倒披针形,长1-1.3厘米,宽约2.2毫米,宿存花柱长3.5-4毫米,向下反曲,种子狭椭圆球形,长约3毫米。5月至6月开花。
分布(Distribution):分布于云南、四川、甘肃、陕西,生海拔2750-3900米间山地冷杉林下或杜鹃灌丛下。
引自中国植物志英文版:FOC Vol. 6 Page 387
Kingdonia uniflora I. B. Balfour & W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 8: 191. 1914.
独叶草 du ye cao| Ranunculaceae  | Kingdonia
Plants glabrous. Bud scales ca. 3, membranous, ovate, 4--7 mm. Petiole 5--11 cm; leaf blade abaxially pinkish green, cordate-orbicular, 3.5--7 cm wide, 5-sect; segments apically 3-lobed, lowest one unequally 2-parted, margin apically small toothed. Flowering stem 7--12 cm tall. Flowers ca. 8 mm in diam. Sepals pale green, ovate, 5--7.5 mm, apex acuminate. Stamens 2--3 mm; filaments linear, 1-veined; anthers ellipsoid, ca. 0.3 mm. Staminodes 1.6--2.1 mm. Pistils ca. 1.4 mm; ovary nearly as long as style. Achenes narrowly oblanceolate, 10--13 × ca. 2.2 mm; persistent styles 3.5--4 mm. Seeds narrowly ellipsoid, ca. 3 mm. Fl. May--Jun. 2n = 18*.
* Forests; 2700--3900 m. S Gansu, S Shaanxi (Taibai Shan), W Sichuan, NW Yunnan (Dêqên Xian).
 独叶草Kingdonia uniflora

独叶草Kingdonia uniflora

独叶草Kingdonia uniflora
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