Mimosa pueblensis R. Grether

Mimosopsis filipes Britton & Rose, sp. nov
A low shrub, the twigs slender, reddish, pubescent, or glabrous, the spines recurved, mostly solitary; pinnae 3-6 pairs (? rarely more); leaflets 5-15 pairs, 1.5-2.5 mm. long, rounded or obtuse, glabrous, or sparingly ciliate; peduncles axillary, solitary, or sometimes in clusters of 8-10, slender, 15-20 mm. long, pubescent; flower-buds deep purple, or greenish; calyx and corolla glabrous; legume oblong, 2-3 cm. long, 4-5 mm. wide, glabrous, the margin sparinglyprickly.
Puebla and Morelos. Type from near San Luis Tultitlanapa, Puebla, July, 1908, Purpus 3175.