栏目

无距凤仙花Impatiens margaritifera Hook. f.

无距凤仙花Impatiens margaritifera Hook. f.

科名:凤仙花科 Balsaminaceae

属名:凤仙花属 Impatiens

《中国植物志》第47(2)卷104页
  83.无距凤仙花(植物分类学报)图版28: 1-7
  Impatiens margaritifera Hook. f. in Nouv. Arch. Mus. Nat. Hist. Paris ser. 4. 10: 249. pl. 2. 1908; Hand. -Mazz., Symb. Sin. 7: 650. 1933; Y. L. Chen in Acta Phytotax. Sin. 16 (2): 45. 1978, in clavi; 云南种子植物名录上册: 303. 1984; 西藏植物志3: 185. fig. 77. 1986; 横断山区维管植物上册: 1144. 1993.
  一年生草本,高达40-50厘米。茎直立,无毛,分枝或不分枝。叶互生,卵形,薄膜质,长3-10厘米,宽1.5-3.5厘米,顶端渐尖,基部楔形,具2个大腺体,边缘有粗圆齿,齿间有小刚毛,侧脉5-7对;叶柄长1-5厘米。总花梗细长,腋生,花较小,通常6-8个排成总状花序;花梗短,基部有线形或线状长圆形苞片;苞片长2-4毫米,急尖,脱落。花白色,长达2厘米;侧生萼片2,小,卵状圆形,顶端具小突尖;旗瓣椭圆状倒卵形或近圆形,背面中肋具细尖头;翼瓣狭,具宽柄,基部裂片卵状长圆形,上部裂片较长,狭斧形,背面有宽小耳;唇瓣舟状,基部肿胀,无距;花药钝。蒴果线形,长达1.8厘米,种子少数,倒卵形。花期7-9月。

《Flora of China》 Vol. 12 (2007)
Impatiens margaritifera  J. D. Hooker
无距凤仙花   wu ju feng xian hua
Plants annual, 40-50 cm tall, glabrous. Stem erect, branched or simple. Leaves alternate or opposite in lower and middle parts of stem; petiole 1-5 cm; leaf blade ovate, 3-10 × 1.5-3.5 cm, membranous, with 2 large basal glands, setose between teeth, lateral veins 5-7 pairs, base cuneate, margin coarsely crenate, apex acuminate. Inflorescences axillary, racemose, (3-)6-8-flowered. Pedicels short, bracteate at base; bracts caducous or persistent, linear or linear-oblong, 2-4 mm, apex acute. Flowers white, small, ca. 2 cm. Lateral sepals 2, ovate-orbicular, small, mucronulate. Lower sepal navicular, spur absent. Upper petal elliptic-obovate or suborbicular, apex mucronulate; lateral united petals broadly clawed, 2-lobed; basal lobes ovate-oblong or suborbicular; distal lobes narrowly dolabriform or oblong-dolabriform, longer; auricle broad. Anthers obtuse. Capsule linear, to 1.8 cm. Seeds few, obovoid. Fl. Jul-Sep.
● Understories of Abies forests, forest margins, grasslands, riverbanks, streamsides, moist places; 2600-4000 m. SW Sichuan, Xizang, NW Yunnan.

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