Jussieu ex Gagnepain, Notul. Columella Loureiro, Fl. Inflorescence axillary, corymbose or umbellate. Flower bisexual, tetramerous. Calyx cup-shaped, indistinct.
Petals valvate, spreading.
Stamens inserted on the receptacle at the base of the disc, oppo site the petals. Disc adnate to and entirely surrounding the ovary, 4-lobed. Two species in Taiwan. Key to the Species 1. Leaflets 3 C. maritima 1.