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,
a. [ Pref. tri- + petaloid. ] (Bot.) Having the form or appearance of three petals; appearing as if furnished with three petals. [ 1913 Webster ]