单色蝴蝶草Torenia concolor

中文名(Chinese Name):单色蝴蝶草
学名(Scientific Name):Torenia concolor Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Torenia concolor var. formosana T. Yamaz.  Torenia rubens Benth. ex Maxim.  Torenia radicans Vaniot
科属(Family & Genus):玄参科(Scrophulariaceae)蝴蝶草属
形态特征(Description):匍匐草本;茎具4棱,节上生根;分枝上升或直立。叶具长2-10毫米之柄;叶片三角状卵形或长卵形,稀卵圆形,长1-4厘米,宽0.8-2.5厘米,先端钝或急尖,基部宽楔形或近于截形,边缘具锯齿或具带短尖的圆锯齿,无毛或疏被柔毛。花具长2-3.5厘米之梗,果期梗长可达5厘米,单朵腋生或顶生,稀排成伞形花序;萼长1.2-1.5(1-7)厘米,果期长达2.3厘米,具5枚宽略超过1毫米之翅,基部下延;萼齿2枚,长三角形,果实成熟时裂成5枚小齿;花冠长2.5-3.9厘米,其超出萼齿部分长11-21毫米,蓝色或蓝紫色;前方一对花丝各具1枚长2-4毫米的线状附属物。花果期5-11月。
分布(Distribution):分布于广东、广西、贵州及台湾等省区,生于林下、山谷及路旁。
用途(Use):
引自中国植物志英文版:FOC Vol. 18 Page 39     
Torenia concolor Lindley, Bot. Reg. 32: t. 62. 1846.
单色蝴蝶草 dan se hu die cao| Scrophulariaceae  | Torenia
Torenia concolor var. formosana T. Yamazaki; T. radicans Vaniot; T. rubens Bentham.
Herbs, creeping. Stems quadrangular, rooting from nodes; branches ascending or erect. Petiole 2-10 mm; leaf blade triangular-ovate, narrowly ovate, or rarely ovate-orbicular, 1-4 X 0.8-2.5 cm, glabrous or sparsely villous, base broadly cuneate to subtruncate, margin serrate or crenate and serrate, apex obtuse to acute. Flowers axillary or terminal, solitary or in fascicles. Pedicel 2-3.5 cm, to 5 cm in fruit. Calyx 1.2-1.7 cm, to 2.3 cm in fruit, base decurrent; wings 5, slightly more than 1 mm wide; lips narrowly triangular with 5 small lobes evident in fruit. Corolla blue to blue-purple, 2.5-3.9 cm, exceeding calyx lobes by 1.1-2.1 cm. Anterior stamens appendages filiform, 2-4 mm. Capsule 1.5-1.8 cm. Fl. and fr. May-Nov.
Forests, mountain valleys, trailsides; below 1500(-2500) m. Guangdong, Guangxi, Guizhou, Hainan, Taiwan, Yunnan [Japan (Ryukyu Islands), Laos, Vietnam].
 单色蝴蝶草Torenia concolor

单色蝴蝶草Torenia concolor

单色蝴蝶草Torenia concolor
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