Features of floral anatomy and pollination biology of Cyrilla racemiflora were studied to complement existing data on pollinators. Floral anatomy and development were observed through bright field, fluorescence, and scanning electron microscopy. Pollination biology was investigated through a pollinator-exclusion bagging experiment. During maturation the floral parts undergo a number of color changes, chief among them being the greening of the nectary at the base of the ovary. The bilobed stigma surfaces are of the wet type, the fluid being lipoidal. The ovarian nectary possesses papillate epidermal cells, a distinct cuticle, and stomates through which secretion probably occurs. Petals have an adaxial thickening whose precise function is unknown. Calcium-containing crystals appear at certain sites in the anthers and might influence the process of dehiscence. No self-incompatibility exists as regards pollen-tube germination and growth, although pollination is rare in the absence of a vector. Self-pollination can lead to seed set.