Senegalia riparioides

Senegalia riparioides Britton & Rose, sp. nov
A shrub or small tree, 3-5 m. high, the puberulent or glabrous twigs sparingly armed with small reflexed prickles. Leaves puberulent or glabrate; petiole 2-4 cm. long, bearing a small, circular gland; pinnae 7-10 pairs; leaflets 15-30 pairs, linear, acutish, 4—7 mm. long, 1-1.5 mm. wide, sparingly pinnately veined beneath, the midvein subcentral; flowers capitate; legume 6-1 1 cm. long, about 2 cm. wide, thin, puberulent, obtuse, apiculate, short -stipitate.
Yucatan and El Salvador. Type from vicinity of Ahuachapan, El Salvador, January, 1922, Paul C. Standley 1984S.