《中国植物志》|| 豆科 LEGUMINOSAE ||撕裂果组 Sect. Pseudosophora DC. ||砂生槐 Sophora moorcroftiana (Benth.) Baker

8.砂生槐（中国主要植物图说•豆科）狼牙刺（西藏）图版24: 1-8
Sophora moorcroftiana (Benth.) Baker in Hook. f. Fl. Brit. Ind. 2: 249. 1878; Schneid. Ill. Handb. Laubh. 11: 186. f. 12. 1907; Bomb. in Journ. Bombey Nat. Hist. Soc. 19: 715. 1909, et Fl. Penj. 105. 1916;中国主要植物图说•豆科139.图131. 1955; 西藏植物志2: 717. 1985. ——Astragalus moorcroftiana Benth. in Royle, Ill. Bot. Himal. Mt. 198. 1835.
小灌木，高约1米。分枝多而密集，小枝密被灰白色茸毛或绒毛，不育枝末端常变成健壮的刺，有时分叉。羽状复叶；托叶钻状，长4-7毫米，初时稍硬，后变成刺，宿存；小叶5-7对，倒卵形，长约10毫米，宽约6毫米，先端钝或微缺，常具芒尖；基部楔形或钝圆形，两面被丝质柔毛或绒毛，下面较密。总状花序生于小枝顶端，长3-5厘米；花较大；花萼蓝色，浅钟状，萼齿5，不等大，上方2齿近连合，其余3齿呈锐三角形，长约7毫米，宽3-5毫米，被长柔毛；花冠蓝紫色，旗瓣卵状长圆形，先端微凹，基部骤狭成柄，瓣片长9毫米，宽5毫米，柄与瓣片等长，纤细，反折，翼瓣倒卵状椭圆形，长16毫米，基部具圆钝单耳，柄长6毫米，龙骨瓣卵状镰形，具钝三角形单耳，长约18毫米，柄纤细，与瓣片近等长；雄蕊10，不等长，基部不同程度连合，可达四分之一到三分之一；子房较雄蕊短，被黄褐色柔毛，胚珠多数。荚果呈不明显串珠状，稍压扁，长约6厘米，宽约7毫米，沿缝线开裂，在果瓣两面另出现2条不规则撕裂缝，最终开裂成2瓣，有种子1-4（-5）粒；种子淡黄褐色，椭圆状球形，长4.5毫米，径3.5毫米。花期5-7月，果期7-10月。
产我国西藏（雅鲁藏布江流域）。生于山谷河溪边的林下或石砾灌木丛中，海拔3000-4500米。印度、不丹、尼泊尔也有分布。

《Flora of China》|| Fabaceae || Sophora ||砂生槐 Sophora moorcroftiana

8. Sophora moorcroftiana (Bentham) Bentham ex Baker in J. D. Hooker, Fl. Brit. India. 2: 249. 1876.

砂生槐 sha sheng huai

Caragana moorcroftiana Bentham in Royle, Ill. Bot. Himal. Mts. 198. 1835.

Shrubs, ca. 1 m high, densely branched. Branchlets densely hairy. Leaves 4-6 cm; stipules subulate, 4-7 mm, spinescent, persistent; leaflets 11-15, obovate, ca. 10 × 6 mm, hairy on both surfaces, base cuneate or rounded, apex obtuse or retuse, usually mucronate. Racemes terminal at branchlets, 3-5 cm. Flowers large. Calyx blue, shortly campanulate; teeth 5, ca. 7 × 3-5 mm, glabrous. Corolla blue-purple; standard ovate-ob­long, ca. 9 × 5 mm, reflexed, apex retuse, narrowing to a claw, claw equal to blade; wings obovate-elliptic, ca. 16 mm, 1-auric­ulate at base, claw ca. 6 mm; keel ovate-falcate, auriculate on one side, claw slender, ca. 18 mm. Stamens 10, unequal, slightly fused at base. Ovary shorter than stamens, yellow-brown hairy; ovules many. Legumes not obviously moniliform, slightly compressed, ca. 6 × 0.7 cm, 2-valvate along sutures. Seeds 1-4(or 5), light yellow, ellipsoidal, ca. 4.5 mm. Fl. May-Jul, fr. Jul-Oct.

Valley forests; 3000-4500 m. Xizang [Bhutan, India, Myanmar].