扁竹兰Iris confusa

中文名(Chinese Name):扁竹兰
学名(Scientific Name):Iris confusa Sealy
英文名(English Common Name):
别名(Chinese Common Name):扁竹根、扁竹
异名(Synonym):
科属(Family & Genus):鸢尾科(Iridaceae)鸢尾属
形态特征(Description):多年生草本。根状茎横走,直径4-7毫米,黄褐色,节明显,节间较长;须根多分枝,黄褐色或浅黄色。地上茎直立,高80-120厘米,扁圆柱形,节明显,节上常残留有老叶的叶鞘。叶10余枚,密集于茎顶,基部鞘状,互相嵌迭,排列成扇状,叶片宽剑形,长28-80厘米,宽3-6厘米,黄绿色,两面略带白粉,顶端渐尖,无明显的纵脉。花茎长20-30厘米,总状分枝,每个分枝处着生4-6枚膜质的苞片;苞片卵形,长约1.5厘米,钝头,其中包含有3-5朵花;花浅蓝色或白色,直径5-5.5厘米;花梗与苞片等长或略长;花被管长约1.5厘米,外花被裂片椭圆形,长约3厘米,宽约2厘米,顶端微凹,边缘波状皱褶,有疏牙齿,爪部楔形,内花被裂片倒宽披针形,长约2.5厘米,宽约1厘米,顶端微凹;雄蕊长约1.5厘米,花药黄白色;花柱分枝淡蓝色,长约2厘米,宽约8毫米,顶端裂片呈繸状,子房绿色,柱状纺锤形,长约6毫米。蒴果椭圆形,长2.5-3.5厘米,直径1-1.4厘米,表面有网状的脉纹及6条明显的肋;种子黑褐色,长3-4 毫米,宽约2.5毫米,无附属物。花期4月,果期5-7月。
分布(Distribution):产广西、四川、云南。生于林缘、疏林下、沟谷湿地或山坡草地。
用途(Use):根状茎供药用,治急性扁桃腺炎及急性支气管炎。
引自中国植物志英文版FOC Vol. 24 Page 308
Iris confusa Sealy, Gard. Chron. ser. , 102: 414. 1937.
扁竹兰 bian zhu lan | Iridaceae  | Iris
Rhizomes creeping, stout. Stems erect, canelike, to 1.2 m, flattened, with prominent scars and bases of old leaf sheaths. Leaves 10 or more clustered into a terminal fan, yellowish green, glossy on 1 surface, somewhat glaucous on other, sword-shaped, 28--80 × 3--6 cm, veins obscure. Flowering stems with 5--8 slender branches near apex; spathes 4--6, ca. 1.5 cm, membranous, 3--5-flowered. Flowers white or bluish tinged, 4--5.5 cm in diam.; pedicel 1.5--2 cm, stiff, persistent. Perianth tube ca. 1.5 cm; outer segments elliptic, 2--3 × 1.5--2 cm, limb spreading, spotted yellow around crest, margin undulate, apex retuse; inner segments broadly lanceolate, ca. 2.5 × 1 cm, apex retuse. Stamens ca. 1.5 cm; anthers yellow. Ovary ca. 6 mm. Style branches pale blue, ca. 2 cm × 8 mm; terminal lobes fimbriate. Capsule ellipsoid, 2.5--3.5 × 1--1.4 cm, 6-ribbed, reticulate veined. Seeds dark brown. Fl. Apr, fr. May--Jul. 2 n = 30*.
* Forest margins, open groves, hillsides grasslands, ditches; 1600--2400 m. Guangxi, Guizhou, Sichuan, Yunnan.
扁竹兰Iris confusa

扁竹兰Iris confusa(责任编辑:徐晔春)

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