栏目

白花凤仙花Impatiens wilsonii Hook. f.

白花凤仙花Impatiens wilsonii 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049页
  23. 白花凤仙花(中国高等植物图鉴)图版8: 1-7
  Impatiens wilsonii Hook. f. in Nouv. Arch. Mus. Paris, ser. 4, 10: 245. 1908; 中国高等植物图鉴2: 737. 图3204. 1972; Y. L. Chen in Acta Phytotax. Sin. 16 (2): 38. 1978, in clavi.
  直立草本,高30-50厘米。茎粗状,节膨大。叶互生,常密生于茎上部,矩圆状倒卵形,或倒披针形,长8-15厘米,宽2.5-6厘米,先端急尖或渐尖,基部长楔形,边缘有疏圆齿,齿间有小刚毛,侧脉6-8对,背面沿叶脉疏被短柔毛;叶柄短或几无柄,有疏腺体。总花梗生于顶叶腋,长4-6厘米,花4-10朵,排成总状花序;花大,白色;侧生萼片4,外面2个卵形,内面2个马刀形;旗瓣椭圆形,先端微凹,有小突尖,背面中肋有狭龙骨突;翼瓣无柄,2裂,基部裂片矩圆形,上部裂片大,斧形,背部有短耳;唇瓣囊状,基部圆形,有内弯的短距;花药钝;子房纺锤形。
  特产四川峨眉山。生于沟边或林下阴湿处,海拔800-1000米。

《Flora of China》 Vol. 12 (2007)
Impatiens wilsonii  J. D. Hooker
白花凤仙花   bai hua feng xian hua
Plants erect, 30-50 cm. Stem robust, nodes turgid. Leaves alternate, often crowded at upper part of stem, shortly petiolate or subsessile; petiole with sparse glands; leaf blade oblong-obovate or oblanceolate, 8-15 × 2.5-6 cm, setose between teeth, adaxially sparsely pilose on veins, lateral veins 6-8 pairs, base long cuneate, margin remotely crenate, apex acute or acuminate. Inflorescences in terminal leaf axils, racemose, 4-10-flowered; peduncles 4-6 cm. Flowers white, large. Lateral sepals 4, outer 2: ovate; inner 2: falcate. Lower sepal saccate, constricted into a curved, short spur. Upper petal elliptic, apex emarginate, mucronulate, abaxial midvein carinate; lateral united petals not clawed, 2-lobed; basal lobes oblong; distal lobes dolabriform, large; abaxial auricle short. Anthers obtuse. Ovary fusiform. Capsule unknown. Fl. Aug-Sep.
● Forest understories, along canals, shaded moist places; 800-1000 m. Sichuan (Emei Shan).

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