Bakeridesia Hochr.
Contenido
Descripción
Shrubs or small trees 1-8 m tall, densely stellate-pubescent, often ferrugineous. Leaves petiolate, the blades broadly ovate, cordate (or narrower and truncate in the inflorescence), entire (or sometimes with vestigial dentation), acute or acuminate, minutely stellate-pubescent above and beneath, more densely so beneath, sometimes discolorous, lacking foliar nectaries. Flowers solitary or paired in the leaf axils or aggregated into axillary or terminal inflorescences; involucel absent; calyx lobes usually prominently ribbed, sometimes twisted in bud; petals usually large (1.5-6 cm long) and showy, white, yellow, or yellow-orange, often with a dark reddish spot at the base; staminal column included or exserted, antheriferous at apex, glabrous or pubescent; styles 7-27, the stigmas capitate. Fruits schizocarpic, more or less blackish, stellate-pubescent; mericarps 7-27, rounded, often with a lacerate or erose wing on the dorsal margin, 2-7-seeded; seeds reniform, pubescent or glabrate. Base chromosome number: x = 15.A
Discusión taxonómica
Bakeridesia is a genus of thirteen Mexican and Central American species (subg. Bakeridesia) with one species extending to Venezuela, and seven or more additional South American species that may or may not be congeneric. Ten species occur in Mexico.A