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垂序木蓝Indigofera pendula

时间:2018-08-14 08:16来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):垂序木蓝 学名( Scientific Name ): Indigofera pendula Franch. 英文名( English Common Name ): 别名( Chinese Common Name ): 垂花木蓝 异名( Synonym ): 科属( Family Genus ): 豆科(Leguminosae)木蓝属 形
中文名(Chinese Name):垂序木蓝
学名(Scientific Name):Indigofera pendula Franch.
英文名(English Common Name):
别名(Chinese Common Name): 垂花木蓝
异名(Synonym):
科属(Family & Genus):蝶形花科,Fabaceae木蓝属
形态特征(Description):灌木,高2-3米。茎黑褐色,圆柱形,无毛,皮孔明显,幼枝淡黄褐色,具棱,有淡褐色或棕黄色平贴丁字毛。羽状复叶长15厘米;叶柄长1-2.5厘米,叶轴上面有槽,被丁字毛;托叶披针形,长2-3毫米,早落;小叶6-10(-13)对,对生,通常椭圆形或长圆形,顶生小叶倒卵形,长1-2.5厘米,宽5-9毫米,先端圆钝或微凹,基部楔形至阔楔形或圆形,上面绿色,无毛或近无毛,下面粉绿色,疏生平贴丁字毛,中脉上面凹入,侧脉约6对,上面较显著,小叶柄长1.5-2毫米,有毛;小托叶钻形,长0.5-1毫米,宿存。总状花序长达35厘米,下垂;总花梗长1-2厘米,有毛;苞片披针形,长约3毫米;花梗长2-3毫米;花萼杯状,长约3毫米,外面有丁字毛,萼筒长1.5毫米,萼齿卵形或线状披针形,不等长,最下萼齿与萼筒等长;花冠紫红色,旗瓣长圆形,长9-10毫米,宽约5毫米,外面有灰白色绢丝状丁字毛,基部具短瓣柄,翼瓣长达10毫米,边缘具睫毛,基部有耳,瓣柄短,龙骨瓣和翼瓣等长,先端及边缘有毛,距长约1.5毫米;花药阔卵形,基部有少数髯毛;子房无毛,有胚珠9-12粒。荚果褐色,圆柱形,长约5厘米,径3-4毫米,疏生丁字毛,有种子10余粒,内果皮有紫色斑点,果梗长约3毫米,平展或直立;种子赤褐色,椭圆形,长约3毫米,宽约2毫米。花期6-8月,果期9-10月。
分布(Distribution):产四川(西南部)、云南(西部及西北部)。生于山坡、、山谷、沟边及路旁的灌丛中及林缘,海拔1900-3300米。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 140, 159
Indigofera pendula Franchet, Pl. Delavay. 156. 1889.
垂序木蓝 chui xu mu lan | Fabaceae  | Indigofera
Indigofera pendula var. angustifolia Y. Y. Fang & C. Z. Zheng; I. pendula var. macrophylla Y. Y. Fang & C. Z. Zheng; I. pendula var. pubescens Y. Y. Fang & C. Z. Zheng; I. pendula f. umbrosa Craib; I. pendula var. umbrosa (Craib) Y. Y. Fang & C. Z. Zheng.
Shrubs, 2-3(-4) m tall, often scandent. Stems dark brown, terete, with obvious lenticels; young branches light brown, angular, with appressed brown medifixed symmetrically 2-branched trichomes, glabrescent. Stipules lanceolate, 2-3 mm, caducous. Leaves 10-20 cm, (11 or)13-23(-27)-foliolate; peti­ole and rachis with appressed medifixed trichomes; petiole 1-5(-6) cm; rachis adaxially grooved; stipels subulate, 0.5-1 mm, persistent; petiolules 1.5-2 mm, hairy; leaflet blades opposite, elliptic to oblong but terminal one obovate, 1-2.5(-3.5) × 0.5-1.5 cm, papery, abaxially with sparse appressed white medi­fixed trichomes, adaxially glabrous, midvein adaxially im­pressed, secondary veins 6 on each side of midvein and ob­vious, base cuneate, broadly cuneate, or rounded, apex obtuse to emarginate. Racemes 30-35 cm, drooping; peduncle 1-2 cm, with appressed medifixed trichomes; bracts lanceolate, ca. 3 mm. Pedicel 2-3 mm. Calyx cup-shaped, 2.5-3 mm, outside with appressed medifixed trichomes; tube ca. 1.5 mm; teeth ovate to lanceolate, mostly shorter than tube. Corolla pink; stan­dard oblong, 9-11 × ca. 5 mm, bluish pink, outside densely white strigillose-puberulent, base shortly clawed; wings ca. 1 cm, base auriculate and shortly clawed, margin ciliate; keel as long as wings, outside apically hairy, margin ciliate, spurs ca. 1.5 mm. Stamens 8-9.5 mm; anthers broadly ovoid, base with a few trichomes. Ovary glabrous, with 9-12 ovules. Legume brown, cylindric, ca. 5 cm × 3-4 mm, with sparse appressed medifixed trichomes; endocarp blotched. Seeds 8-10 per leg­ume, reddish brown, ellipsoid, ca. 3 × 2 mm. Fl. Jun-Aug, fr. Sep-Oct.
● Mountain slopes, valleys, riverbanks, scrub, forest margins; 1900-3300 m. SW Sichuan, NW and W Yunnan.


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