目前为止，中国西南野生生物种质资源库共保藏该物种: 种子1份; DNA材料1份;

• 科:豆科    Fabaceae
• 属:棘豆属    Oxytropis
• 种:华西棘豆   Oxytropis giraldii

53. Oxytropis giraldii Ulbrich, Bot. Jahrb. Syst. 36(Beibl. 82): 66. 1905. 华西棘豆 hua xi ji dou Oxytropis ningxiaensis C. W. Chang.Herbs, 20-45 cm tall, caulescent, arising from a multi­headed caudex, subglabrous with sparse trichomes or with ap­pressed dense yellow trichomes. Stems erect or ascending, with 2-4 or more apparent internodes. Stipules ovate-triangular, 6-8 × ca. 3 mm, with sparse trichomes, distinct. Leaves 5-10 cm, (11-)21-31-foliolate; petiole and rachis with spreading yellow trichomes or glabrous; leaflet blades ovate-lanceolate, elliptic, or oblong, 5-14 × (2-)3-5 mm, both surfaces with yellow long trichomes, base rounded, apex acute to obtuse. Racemes rather lax in both flower and fruit, many flowered; peduncle (3-)5-14 cm; bracts narrowly lanceolate, 3-7 mm, with sparse yellow tri­chomes. Calyx campanulate, 7-8 mm, with spreading black tri­chomes; lobes lanceolate, (2-)3-4 mm. Corolla blue to purple; standard 1-1.5 cm, lamina ovate and 8-10 mm wide, apex emarginate; wings 1-1.2(-1.4) cm, lamina elliptic, apex emar­ginate; keel 0.9-1.2 cm, beak 1-1.5 mm. Legume stipitate; stipe ca. 5 mm; body brown, oblong, ellipsoid, or subglobose, (1.7-)2-2.5 × (0.7-)0.8-1 cm, inflated, membranous to sub­leathery, 1-locular, with spreading sparse trichomes, septum 0.5(-0.8) mm wide, adaxial suture deeply grooved, beak very short to 3 mm. Fl. and fr. May-Aug.● Wastelands, forested valleys, grasslands on hillsides; 2100-3600 m. Gansu, Ningxia, Qinghai, Shaanxi, Sichuan.【引自：Flora of China】

多年生草本，高达45厘米，近无毛，或疏被柔毛，至密被贴伏黄色粗毛。茎直立，从基部具极多分枝。羽状复叶大，长5-10厘米；托叶卵状三角形，长6-8毫米，宽3毫米，离生，疏被黄色柔毛；叶柄与叶轴通常被开展黄色短疏柔毛，或无毛；小叶21-31，卵状披针形或椭圆形，长5 (8) -10 (-14) 毫米，宽3-5毫米，先端尖，基部圆形，两面被黄色柔毛。多花组成密集头形总状花序；总花梗长5-14厘米；苞片狭披针形，长7毫米，疏被黄色柔毛；花长10-15毫米；花萼钟状，长7-8毫米，密被开展黑色长柔毛，萼齿披针形，狭而长，长3-4毫米；花冠蓝色，旗瓣长12-15毫米，瓣片圆卵形，宽8-10毫米，先端微缺，基部下延，翼瓣长10-12毫米，瓣片半广椭圆形，宽2-3毫米，先端微凹，耳长2毫米，瓣柄长5.5毫米，龙骨瓣长9-12毫米，宽3毫米，喙长1-1.5毫米；子房线形，被细刚毛，花柱无毛，具长柄，胚珠15-20。荚果近革质，长圆形或椭圆形，黄褐色，膨胀，长20-25毫米，宽8-10毫米，先端尖，喙极短，腹沟较深，被开展疏柔毛，腹隔膜宽0.5毫米，近1室；果梗长约5毫米。种子10-20颗。花果期5-8月。 【引自：中国植物志】