a. [ Petal + -oid: cf. F. pétaloïde. ] (Bot.) Petaline. [ 1913 Webster ]

a. (Bot.) Having the whole or part of the perianth petaline. [ 1913 Webster ]

Petaloideous division, that division of endogenous plants in which the perianth is wholly or partly petaline, embracing the Liliaceæ, Orchidaceæ, Amaryllideæ, etc. [ 1913 Webster ]