Noms vernaculaires
Distribution géographique
Régions tropicales et tempérées.
Description botanique
Plante grimpante vivace à racine tubéreuse comestible. Tige succulente mais parfois fine et herbacée, glabre ou pubescente, ramifiée. Feuilles de cordées à ovées, entières, dentées ou profondément lobées, de 5 à 10 cm de long, glabres ou rarement pubescentes, à pointe aiguë à acuminée, mucronées. Inflorescences cymeuses à cymeuses-ombelliformes avec peu de fleurs; fleurs avec sépales oblongs; corolle campanulée avec limbe de couleur lavande à pourpre-lavande et gorge plus sombre, blanche dans certaines variétés. Capsule ovoïde, glabre, brun clair à jaune paille, biloculaire, à 4 valves; graines 4, glabre brun foncé à brun.
Voucher(s)
Jiménez, 131, JBSD
Pharmacopée
Ed.3References
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