高山豆Tibetia yunnanensis

中文名(Chinese Name):云南高山豆
学名(Scientific Name):Tibetia yunnanensis (Franch.) H.P.Tsui
英文名(English Common Name):
别名(Chinese Common Name):云南米口袋
异名(Synonym):Gueldenstaedtia yunnanensis Franch.
科属(Family & Genus):蝶形花科,Fabaceae,高山豆属
形态特征(Description):多年生草本,根上部增粗,通常纺锤状;分茎发达,纤细,节间明显。托叶于节间抱茎,基部合生并与叶对生,倒卵形,渐尖头,长达6毫米,边缘具牙齿状腺体;小叶3-7,圆倒卵形至倒心形,顶端截形至微缺,被贴伏疏柔毛。伞形花序具1-2花;总花梗长5-10厘米,花期为超过叶一倍,具稀疏柔毛;苞片披针形,长2毫米;小苞片披针形,长1.5毫米;花梗长3毫米。花萼钟状,长4-5毫米;萼齿披针形,上2萼齿较大,合生至2/3处,被贴伏长柔毛;花冠紫色,旗瓣倒心形,长10.5毫米,宽9毫米,顶端微缺,基部渐狭成瓣柄,翼瓣近楔形具斜截头,长9毫米,宽3.5毫米,龙骨瓣倒卵形,长4毫米,宽1.5毫米,瓣柄长1.5毫米;子房被长柔毛,柱头折曲成直角。荚果圆筒形,长12毫米,被疏柔毛。种子肾形,平滑。花期6-7月,果期9月。
分布(Distribution):产云南及四川西部。生于海拔2500米以上山区。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 507, 508
Tibetia yunnanensis (Franchet) H. P. Tsui, Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 1979(5): 54. 1979.
云南高山豆 yun nan gao shan dou| Fabaceae  | Tibetia
Stems very developed, slender. Leaves 3-7(or 9)-foliolate; stipules amplexicaul, joined at base and opposite to leaf, obo­vate or broadly elliptic, margin glandular toothed, apex acumi­nate; leaflets obovate, broadly elliptic, or broadly ovate to obcordate, appressed pilose, apex truncate to retuse. Umbel 1- or 2(or 3)-flowered; rachis 5-10 cm, pilose; bract lanceolate or narrowly triangular, 2(-2.5) mm; bracteole lanceolate or nar­rowly ovate, ca. 1.5 mm. Calyx campanulate, 4-5 mm; teeth lanceolate, upper 2 teeth joined for up to 2/3 length, villous. Corolla purple, purplish blue, or red; standard obcordate or ovate-orbicular, 10.5-11 × ca. 9 mm, base narrowed to claw, apex retuse; wings subcuneate or subelliptic, 9-10 × 3.5-4 mm; keel obovate, 4-4.5 × ca. 1.5 mm. Ovary villous with long ap­pressed hairs or glabrous. Legume ca. 1.2 cm, pilose. Fl. Jun-Jul, fr. Sep.
● Hilly areas, grassy or rocky places at streamsides, disturbed for­ests, thickets, N-facing ravines; above 2500 m. Sichuan, SE Xizang, Yunnan.
高山豆Tibetia yunnanensis

高山豆Tibetia yunnanensis(责任编辑:徐晔春)

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