New taxa and nomenclatural changes in Rhynchosia Lour. And Eriosema (DC.) Reichb. (Leguminosae-Papilionoideae-Phaseoleae) from Madagascar and the Comoro Islands

Jean-Noël LABAT & David J. DU PUY

en Bulletin du Muséum national d'Histoire naturelle, 4ème série – section B, Adansonia : Botanique, Phytochimie 18 (1-2) - Pages 85-96

Published on 19 July 1996

Baukea Vatke is considered to be a synonym of Rhynchosia Lour., and a new name, Rhynchosia baukea Du Puy & Labat, is given for the replaced synonym Baukea insignis Vatke. R. chapelieri Baillon is lectotypified. Morphological characters support the description of new species and subspecies of Rhynchosia and Eriosema: Rhynchosia androyensis Du Puy & Labat from southern Madagascar, R. leandrii Du Puy & Labat from western Madagascar and the Comoros, R. versicolor Baker subsp. imerinensis Du Puy & Labat and Eriosema betsileense Du Puy & Labat from central Madagascar.

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