Resumo

DELGADO-SALINAS, Alfonso  e  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.

Palavras-chave : Aeschynomene; Leguminosae; Mexico; Oaxaca; Ochopodium; systematics.

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