FL62 none No petals or petal-like structures

FL63 of one petal or lobe

FL64 of two petals or lobes

FL65 of three petals or lobes

FL66 of four petals or lobes

FL67 of five petals or lobes

FL68 of six or more petals or lobes

FL69 fused to form an operculum Petals fused to one another to form a cap or horn-like structure which is usually shed as a complete unit as the flower matures. This may happen just prior to anthesis or it can occur quite early in the development of the flower.