《中国植物志》|| 豆科 LEGUMINOSAE ||显苞木蓝亚组 Subsect. Bracteatae Y. Y. Fang ||光叶毛瓣木蓝（变种） Indigofera hebepetala Baker var. glabra Ali

29b.光叶毛瓣木蓝（变种）船苞木蓝（西藏植物志）图版82：8-11
var. glabra Ali in Bot. Not. 3: 572. 1958; Ohashi in Fl. E. Himal. 3: 65. 1975; 西藏植物志2: 772.图245 (1-8). 1985; Y. Y. Fang et C. Z. Zheng in Act. Phytotax. Sin. 27: 172. 1989.——I. hebepetala Benth. ex Baker f. glabra (Ali) Ohashi in Enum. Fl. Pl. Nepal. 2: 122. 1979.
灌木，高1-3米。茎暗褐色，圆柱形，无毛，幼枝疏生丁字毛。羽状复叶长10-15 (-25)厘米；叶柄长2-3厘米，叶轴扁平，上面有槽，被棕色丁字毛；托叶小，狭披针形，长约3毫米，早落；小叶2-6 (-7)对，对生，卵形、卵状椭圆形或长圆形，稀倒卵形，长1.2-3.6 (-6)厘米，宽0.7-1.7 (-2.2)厘米，先端钝或微凹，基部圆形或阔楔形，中脉上面扁平，侧脉6-8对，上面明显，下面有灰白色并间生褐色短丁字毛；小叶柄长2-3毫米，密生毛；小托叶钻形，长约2毫米。总状花序呈圆柱状，长10-25厘米；总花梗长2-2.5厘米；苞片舟形，长约6毫米，紧抱花蕾，外面有绢丝状毛；萼筒钟状，长约2毫米，外面被棕色毛，萼齿短三角形，长约0.5毫米；花冠紫红色，旗瓣长1.2-1.4厘米，宽6.5-8毫米，外面被毛，翼瓣长1-1.1厘米，无毛，龙骨瓣与旗瓣等长；花药卵形，基部有少量髯毛。荚果直，圆柱形，长2.5-5.5厘米，顶端长渐尖，无毛，内果皮无斑点，有种子8-10粒；果梗长约2毫米，平展或下弯；种子长约2毫米，径约1.5毫米，光滑。花期6-7月，果期7-10月。
产西藏（隆子、定结、聂拉林、吉隆）。生于常绿阔叶林下或山坡灌丛中，海拔1700-2900米。不丹、锡金、尼泊尔、印度、巴基斯坦也有分布。

《Flora of China》|| Fabaceae || Indigofera ||光叶毛瓣木蓝 Indigofera

22. Indigofera hebepetala Bentham ex Baker var. glabra Ali, Bot. Not. 3: 572. 1958.

光叶毛瓣木蓝 guang ye mao ban mu lan

Indigofera hebepetala f. glabra (Ali) H. Ohashi.

Shrubs, 1-3 m tall. Stems dark brown, terete; young branches with sparse appressed medifixed symmetrically 2-branched trichomes, glabrescent. Stipules narrowly lanceolate, ca. 3 mm, caducous. Leaves 10-15(-25) cm, 5-13(or 15)-folio­late; petiole and rachis with appressed brown medifixed tri­chomes; petioles 2-5 cm; rachis adaxially grooved; stipels sub­ulate, ca. 2 mm; petiolules 2-3 mm, densely hairy; leaflet blades opposite, ovate, ovate-elliptic, or oblong, 1.2-6.5(-8) × 0.7-3.5(-4.5) cm, papery, abaxially with white and brown ap­pressed medifixed trichomes, midvein adaxially flat, secondary veins 6-8 on each side of midvein, base rounded to broadly cuneate, apex obtuse to emarginate. Racemes 10-25 cm; pedun­cle 2-2.5 cm; bracts boat-shaped, ca. 6 × 1-3 mm, covering buds, outside hairy. Pedicel 1-2 mm. Calyx campanulate, ca. 2 mm, with appressed brown trichomes; tube ca. 1.5 mm; teeth triangular, ca. 0.5 mm. Corolla purple; standard 1.2-1.4 × 0.6-0.8 cm, outside hairy; wings 1-1.1 cm, glabrous; keel as long as wings. Stamens 8-10 mm; anthers ovoid, base with a few tri­chomes. Ovary glabrous. Legume cylindric, 2.5-5.5 cm, gla­brous; endocarp not blotched. Seeds 8-10 per legume, ca. 2 × 1.5 mm. Fl. Jun-Jul, fr. Jul-Oct. 2n = 16.

Evergreen forests, slopes in scrub; 1700-2900 m. S Xizang [Bhu­tan, India, Nepal, Pakistan].

Indigofera hebepetala var. hebepetala occurs in India, Pakistan, and Nepal and differs in having leaflet blades pubescent on both sur­faces.