《中国植物志》|| 豆科 LEGUMINOSAE ||猬刺棘豆组 Sect. Hystrix Bunge ||胶黄耆状棘豆 Oxytropis tragacanthoides DC.

9. 胶黄耆状棘豆 乌格提肯（青海格尔木） 图版3: 12-22
Oxytropis tragacanthoides Fisch. in DC. Prodr. 2: 280. 1825; Bunge in Mem. Acad. Sci. St. Petersb. ser. 7. 22 (1) : 131. 1874; I. Vass. et B. Fedtsch. in Kom. Fl. URSS 13: 223. 1948; Bajt. in Pavl. Φπ. Казахст. 5: 409. tab. 50. f. 2. 1961; 中国高等植物图鉴2: 426.图2581. 1972——O. paratragacanthoides Vass. in Novit. Syst. Pl. Vasc. Acad. Sci. URSS 6 (1969): 153. 1970.
球形垫状矮灌木，高5-20 (30) 厘米，一般直径约30厘米。根粗壮而深，直径1-1.5厘米，褐色。茎很短，分枝多。奇数羽状复叶长3-7厘米；托叶膜质，锈色，无毛，上部边缘具白色纤毛，与叶柄贴生至1/3处，于1/3处彼此合生，后被撕裂，分离部分三角形；叶轴钻形，初时密被贴伏白色柔毛，叶落后变成无毛的扁粗刺，宿存；小叶7-11 (-13)，椭圆形、长圆形、卵形或线形，长6-9毫米，宽2-3.5毫米，先端钝或突尖，无小刺尖，基部圆形或狭，两面密被贴伏绢状毛。2-5花组成短总状花序；总花梗较叶短，密被白色绢状柔毛；苞片线状披针形，长3-5毫米，被绢状毛；花萼筒状，长10-14毫米，宽约4毫米，密被白色长柔毛，偶尔间生黑色短毛，萼齿线状钻形，长2-4毫米；花冠紫色或紫红色，旗瓣长19-23毫米，瓣片宽椭圆形或宽卵形，先端圆或微凹，翼瓣长17-19毫米，瓣片上部极扩展，先端斜截形，凹陷，龙骨瓣长14-16毫米，喙长约2毫米；子房几无柄，密被绢状毛，胚珠多数。荚果球状卵形，长20-22毫米，宽10-12毫米，疏被白色和褐色柔毛，腹隔膜宽1-1.5毫米，不完全2室。花期6-8月，果期7-8月。
产甘肃（河西走廊）、青海（德令哈、格尔木、青海湖周围、兴海、共和、门源、祁连）、新疆等省区。生于海拔2040-4100米的干旱石质山地、山地河谷砾石沙土地及冲积扇上，有时在山地阴坡及山顶还成片生长，常出现在灌丛草原或草原上。模式模本采自阿尔泰巴希长乌斯河。哈萨克斯坦东北部、阿尔泰山区、中西伯利亚（叶尼塞河）、蒙古的西北部也有分布。

《Flora of China》|| Fabaceae || Oxytropis ||胶黄耆状棘豆 Oxytropis tragacanthoides

132. Oxytropis tragacanthoides Fischer ex Candolle, Prodr. 2: 280. 1825.

胶黄耆状棘豆 jiao huang qi zhuang ji dou

Oxytropis paratragacanthoides Vassilczenko.

Shrublets, 25-30 cm in diam., forming hemispherical cushions, branching from a ligneous caudex. Branches 6-10 cm, stout. Stipules narrowly triangular, 3-5 × ca. 3 mm, scari­ous, basally connate, margin ciliate. Leaves 1-7 cm, 7-11(or 13)-foliolate; rachis persistent, with whitish trichomes, apically spine-bearing; leaflets opposite; leaflet blades ovate, linear, or oblong, 2-15 × 1-2 mm, appressed sericeous, apex acuminate and spinescent. Racemes 2-5-flowered; peduncle 2-5 cm, with dense white trichomes; bracts subulate, 3-5 × ca. 3 mm, scari­ous, with whitish and blackish trichomes. Calyx cylindric, 10-14 × 3-4 mm, pilose with whitish or sometimes whitish and blackish intermixed long trichomes; lobes subulate, 2-4 × ca. 0.5 mm. Corolla purple, blue, violet-blue, reddish purple, or white; standard 1.8-2.4 cm, lamina obovate to elliptic, apex rounded; wings 1.7-2.3 cm, lamina obliquely obovate, apex rounded; keel 1.9-2.2 cm, beak 1-2 mm. Legume sessile, ovoid to subspherical, 1.7-2.5 × 1-1.2 cm, inflated, ± 2-locular, dense blackish and whitish pilose, septum 1.5-2 mm. Fl. Apr-Aug, fr. Jul-Aug. 2n = 16, 32.

Floodplains, gravelly hillsides, dry rocky places, dry meadows; 2000-4100 m. Gansu, Nei Mongol, Ningxia, Qinghai, Xinjiang [Ka­zakhstan, Mongolia].