Revista mexicana de biodiversidad
versión On-line ISSN 2007-8706
DELGADO-SALINAS, Alfonso y SOTUYO, Solange. A new species of Aeschynomene (Papilionoideae: Dalbergieae) from Oaxaca, Mexico. Rev. Mex. Biodiv. [online]. 2012, vol.83, n.2, pp. 329-333. ISSN 2007-8706.
Aeschynomene sousae Rudd ex A. Delgado et Sotuyo is described from southern Oaxaca, Mexico, where it is likely endemic to the northeast mountains of the Isthmus of Tehuantepec. It is a member of series Scopariae of subgenus Ochopodium, and morphologically similar to A. nicaraguensis from which it differs mainly in having ovate to lanceolate, larger bracteoles, bright yellow flowers with a reddish arched, insect guide-mark on the interior face of the standard petal, in the fusion of the 2 wing petals along part of their upper margins and also fruits bearing 1 to 2 seeds.
Palabras llave : Aeschynomene; Leguminosae; Mexico; Oaxaca; Ochopodium; systematics.