Mimosa caerulea Rose

Mimosa caerulea Rose, Contr. U. vS. Nat. Herb. 5: 141. 1897
A shrub, 1 m. high or less, the twigs at first puberulent, unarmed. Stipules small, linear; pinnae 1 or 2 pairs; leaflets S-12 pairs, linear-oblong to lanceolate, 10-16 mm. long, 1.5-2 mm. wide, acute, glabrous on both sides, strongly veined, somewhat glaucous above, the margins bearing appressed bristles; peduncles puberulent, often clustered, 2.5 cm. long or less; flowers capitate; corolla 4-toothed; stamens 4, purplish; legume linear-oblong, 3.5-4 cm. long, 5-7 mm. wide, stipitate, acuminate, glabrous, constricted between the joints, sparingly armed with very short marginal bristles.
Type locai-iTY: Near Cuernavaca, Morelos. Distribution: Morelos.