Lysiloma standleyana Britton & Rose

Lysiloma standleyana Britton & Rose, sp. no v
Twigs slender, glabrate. Leaves small, only 2-3 cm. long. Petioles slender, puberulent, 5-7 mm. long, bearing a somewhat elevated gland 0.5 mm. long just below the lower pair of pinnae; pinnae 2-4 pairs; leaflets 10-15 pairs, linear-oblong, pale green, 2.5-3 mm. long, obtuse, loosely and sparingly pubescent, the delicate midvein nearly central, the lateral venation obsolete; legume 8-10 cm. long, 12-14 mm. wide, glabrous, about 10-seeded, the stipe 1 cm. long.
Oaxaca. Type from Tomellin, September, 1905, Rose 100S2.