most amphibians have caducous gills; the caducous calyx of a poppy.
Flowers red, sessile, 5-7 cm in diam.; bracts and sepals covered with caducous silky hairs; petals 6-7, 3.5-4 cm long, base connate; stamens 3 cm long, glabrous; ovary hairy, styles 3-4, distinct.