灰棘豆系

灰棘豆系，茎细，平卧。总状花序密集，头形或短卵形。荚果被半开展白色长疏柔毛。系5. 灰棘豆系 Ser. Canae Vass. in Novit. Syst. Pl. Vasc. 6: 156. 1969; id. in Kom Fl. URSS 13: 45. 1948. descr. ross.