Gaya Kunth
Contenido
Descripción
Erect herbs or subshrubs, sparingly branched, minutely puberulent, sometimes also pilose. Leaves sometimes distichous, petiolate, the blades ovate to oblong, cordate, crenate, serrate, or subentire, acute, minutely puberulent, lacking foliar nectaries. Flowers solitary in the leaf axils, sometimes nodding; invalucel absent; calyx small, basally rounded, more than half-divided, not prominently nerved; petals 0.5-1.5 cm long, usually yellow; androecium included, antheriferous at apex, the anthers yellow or orange; styles 8-30, slender, the stigmas capitate. Fruits schizocarpic, sparsely pubescent to glabrate, subglobose to broadly subconical; mericarps 8-30, somewhat inflated, dehiscent, 1-seeded, usually with specialized pectinate endoglossum arising ventrally and encircling the seed; seeds more or less puberulent. Base chromosome number: x = 6.A
Discusión taxonómica
Gaya is a genus of perhaps ten Neotropical species, three of which occur in Mexico.A