Lecanophora Speg.: These two genera are very similar with the exception that the mericarps of Cristaria have no lateral walls at maturity and Lecanophora has. Therefore there has been a lot of crossover of species between the two genera.
Erect or decumbent, annual or perennial herbs or rarely subshrubs. Flowers axillary, solitary or paired, sometimes in terminal racemes or panicles. Epicalyx absent. Calyx with nectaries formed from groups of glandular hairs, costae present, absent or obscured by dense indumentum. Corolla white, lavender or purple. Staminal column included, antheriferous at apex. Styles 8-22, stigmas capitate or truncate. Fruits schizocarpic, oblate. Mericarps 8-22, borne on a bowl-shaped carpocrater, lateral walls lacking at maturity, usually with 2 membranous apical wings, sometimes rose, whitish or lavender, single-seeded, single celled. Endoglossum absent.