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长叶蝴蝶草Torenia asiatica

时间:2013-11-09 15:52来源:未知 作者:徐晔春 点击:
中文名 ( Chinese Name ): 长叶蝴蝶草 学名 ( Scientific Name ): Torenia asiatica L. 英文名 ( English Common Name ): wishbone flower 别名 ( Chinese Common Name ): 光叶蝴蝶草 异名 ( Synonym ): Torenia glabra Osbeck Lindernia mul
中文名Chinese Name):长叶蝴蝶草
学名Scientific Name):Torenia asiatica L.
英文名English Common Name):wishbone flower
别名Chinese Common Name):光叶蝴蝶草
异名Synonym):Torenia glabra Osbeck  Lindernia multiflora (Roxb.) Mukerjee  Treisteria cordata Griff.  Lindernia trichotoma Schltr.  Tittmannia trichotoma Benth.  Torenia cordata (Griff.) N.M.Dutta
科属Family & Genus):玄参科(Scrophulariaceae)蝴蝶草属
形态特征Description):一年生草本,疏被向上弯的硬毛,铺散或倾卧而后上升。茎具棱或狭翅,自基部起多分枝;枝对生,或由于一侧不发育而成二歧状。叶具长0.3-0.5厘米之柄;叶片卵形或卵状披针形,长2-3.5厘米,宽1-1.8厘米,两面疏被短糙毛,边缘具带短尖的锯齿或圆锯齿,先端渐尖或稀为急尖,基部近于圆形,多少下延。花单生于分枝顶部叶腋或顶生,或3-5朵于近顶部的叶腋,排成伞形花序;萼狭长,长1.5-2厘米,宽约4毫米;上部稍扩大;萼齿2枚,长三角形,先端渐尖,具5枚宽1-1.5毫米之翅,其中后方有2枚较窄;果期萼长2.5-3厘米,宽约0.7厘米,成长椭圆形,先端渐尖而稍弯曲,常裂成3-4枚小齿;花冠长3-3.5厘米,暗紫色;上唇倒卵圆形,长0.8厘米,宽1.1厘米;下唇三裂片近于圆形,各有1蓝色斑块;中裂片直径约7毫米,侧裂片稍小;前方一对花丝各具1长约4毫米的丝状附属物。蒴果长椭圆形,长1.6厘米,宽0.4厘米。种子小,矩圆形或近于球形,黄色。花果期5-11月。
分布(Distribution):分布于云南、贵州,生于拔海1100-1800米间之沟边湿润处。南亚和东南亚也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 18 Page 39     
Torenia asiatica Linnaeus, Sp. Pl. 2: 619. 1753.
长叶蝴蝶草 guang ye hu die cao| Scrophulariaceae  | Torenia
Torenia glabra Osbeck.
Herbs, creeping to suberect, rooting from nodes. Branches numerous, long, slender. Petiole 2-8 mm; leaf blade triangular-ovate, narrowly ovate, or ovate-orbicular, 1.5-3.2 X 1-2 cm, glabrous or sparsely villous, base abruptly constricted and subtruncate to broadly cuneate, margin crenate and serrate. Flowers axillary and solitary or in fascicles. Pedicel 0.5-2 cm. Calyx 0.8-1.5 cm, 1.5-2 cm in fruit, 2-lipped, 5-winged; lips narrowly triangular, apex acuminate, further lobed into 5 small lobes; wings more than 1 mm wide, decurrent. Corolla purple-red to blue-red, 1.5-2.5 cm, exceeding calyx by 0.4-1 cm. Anterior stamens appendages linear, 1-2 mm. Capsule 1-1.3 cm. Seeds yellow, ca. 0.4 mm. Fl. and fr. Jun-Sep.
Mountain slopes, trailsides, shady places; below 1700 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Sichuan, Xizang, Yunnan, Zhejiang [Japan, Vietnam].
We agree with Burtt (Rheedea 1: 7. 1991) in that the species treated as Torenia asiatica in Fl. Reipubl. Popularis Sin. 67(2): 164. 1979 may in fact be a Himalayan species, T. cordata (Griffith) Dutta, and the species that was treated as T. glabra is in fact T. asiatica.
 




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