; 0 terrestrial or epiphytic, mesophytic herbs of medium to large size. leaves densely rosulate, serrate. inflorescence: peduncle elongate to almost none; fertile part 2–4-pinnate, laxly paniculate to densely subglobose. flowers sessile; sepals free to distinctly connate, strongly asymmetric with a broad lateral wing; petals free, narrow, naked. stamens and pistil included; pollen grains 2- or 4-porate. pistil: ovary wholly inferior, the epigynous tube distinct. fruits somewhat fleshy; seeds ellipsoid or ovoid, naked.Edited from : Smith & Downs 1979. Bromelioideae (Bromeliaceae) in Flora Neotropica.