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白灰毛豆Tephrosia candida

时间:2018-08-14 08:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):白灰毛豆 学名( Scientific Name ): Tephrosia candida DC. 英文名( English Common Name ): white hoarypea 别名( Chinese Common Name ): 短萼灰叶 异名( Synonym ): Robinia candida Roxb. Kiesera candida (DC.)
中文名(Chinese Name):白灰毛豆
学名(Scientific Name):Tephrosia candida DC.
英文名(English Common Name):white hoarypea
别名(Chinese Common Name):短萼灰叶
异名(Synonym):Robinia candida Roxb.  Kiesera candida (DC.) Reinw.  Xiphocarpus martinicensis C. Presl.  Cracca candida (DC.) Kuntze  Kiesera sericea Blume
科属Family & Genus):蝶形花科,Fabaceae灰毛豆属
形态特征(Description):
分布(Distribution):原产印度东部和马来半岛。我国福建、广东、广西、云南有种植,并逸生于草地、旷野、山坡。
用途(Use):灌木状草本,高1-3.5米。茎木质化,具纵棱,与叶轴同被灰白色茸毛,毛长约0.75-1毫米。羽状复叶长15-25厘米;叶柄长1-3厘米,叶轴上面有沟;托叶三角状钻形,刚毛状直立,长4-7毫米,被毛,宿存;小叶8-12对,长圆形,长3-6厘米,宽6-1.4厘米,先端具细凸尖,上面无毛,下面密被平伏绢毛,侧脉30-50对,纤细,稍隆起;小叶柄长3-4毫米,密被茸毛;总状花序顶生或侧生,长15-20厘米,疏散多花,下部腋生的花序较短;苞片钻形,长约3毫米,脱落;花长约2厘米;花梗长约1厘米;花萼阔钟状,长宽各约5毫米,密被茸毛,萼齿近等长,三角形,圆头,长约1毫米;花冠色、淡黄色或淡红色,旗瓣外面密被白色绢毛,翼瓣和龙骨瓣无毛;子房密被绒毛,花柱扁平,直角上弯,内侧有稀疏柔毛,柱头点状,胚珠多数。荚果直,线形,密被褐色长短混杂细绒毛,长8-10厘米,宽7.5-8.5毫米,顶端截尖,喙直,长约1厘米,有种子10-15粒;种子榄绿色,具花斑,平滑,椭圆形,长约5毫米,宽约3.5毫米,厚约2毫米,种脐稍偏,种阜环形,明显。花期10-11月,果期12月。
引自植物志英文版:FOC Vol. 10 Page 190, 191
Tephrosia candida Candolle, Prodr. 2: 249. 1825.
白灰毛豆 bai hui mao dou | Fabaceae  | Tephrosia
Robinia candida (Candolle) Roxburgh.
Herbs, perennial, suffrutescent, 1-3.5 m tall. Stems ridged, grayish white tomentose, trichomes ca. 1 mm. Leaves 17-25-foliolate; rachis 15-25 cm, including petiole 1-3; leaflet blades oblong, 3-6 × 0.6-1.4 cm, abaxially densely sericeous, adaxi­ally glabrous, secondary veins 30-50 on each side of midvein. Pseudoracemes terminal or lateral, 15-20 cm. Pedicel ca. 1 cm, densely white villous. Flowers ca. 2 cm. Calyx ca. 5 × 5 mm; teeth equal, ca. 1 mm, apex rounded. Corolla white, rarely yel­low or pale pink; standard densely sericeous. Ovary tomentose, with numerous ovules. Legume linear, 8-10 cm × 7.5-8.5 mm, straight, brown tomentose with a mixture of long and short tri­chomes, apex truncate and with a straight ca. 1 cm beak. Seeds 10-15 per legume, olive-green with dark patches, ellipsoid, ca. 5 × 3.5 mm, smooth. Fl. Oct-Nov, fr. Dec. 2n = 22, 24.
Cultivated or escaped, grasslands, open places, slopes. Fujian, Guangdong, Guangxi, Taiwan, Yunnan [native to India; widely culti­vated and escaped elsewhere].
This species is grown as a green mulch.




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