Caesalpinia minax, Hance. Diffuse shrub, thorny: pinnae 10, with 12-20 ovate-lanceolate labrous lfts. 1-1 1/2 in. long: racemes panicled, many-fld., with very large bracts: fls. white and purple: pods 7-seeded (seeds large and black), prickly. China.