Lonchocarpus chavelasii (Leguminosae, Papilionoideae, Millettieae), una especie nueva del estado de Guerrero, México

Resumen

Se describe e ilustra a Lonchocarpus chavelasii, una especie nueva del estado de Guerrero, México. Lonchocarpus chavelasii guarda similitud con L. eriophyllus, sin embargo se distingue de esta última por presentar hojas con menor número de folíolos (3–5 vs. 13–21), folíolos con venación craspedódroma (vs. camptódroma), corola translúcido linear-punteada (vs. epunteada), pedúnculos florales más largos (8–18 mm vs. 3–5 mm), bractéolas más largas (3–4 mm, lineares vs. 1 mm, oblongas), frutos engrosados en el lado adaxial y oblongos (vs. aplanados y linear), y semillas subesféricas (vs. aplanadas).

Abstract

Lonchocarpus chavelasii, a new species from the state of Guerrero, México, is described and illustrated. Lonchocarpus chavelasii is similar to L. eriophyllus, however it is distinguished from the latter by presenting leaves with a smaller number of leaflets (3–5 vs. 13–21), leaflets with craspedodromous venation (vs. camptodromous), corolla with pellucid dots (vs. without pellucid dots), longer floral peduncles (8–18 mm vs. 3–5 mm), longer bracteoles (3–4 mm, linear vs. 1 mm, oblong), fruits thickened on the adaxial side and oblong (vs. flattened and linear), and sub-spherical seeds (vs. flattened).