Webster's Revised Unabridged Dictionary · 1913

Petaloideous

Petaloideous , adjective

(Botany) Having the whole or part of the perianth petaline.
Collocations (1)
Petaloideous division , that division of endogenous plants in which the perianth is wholly or partly petaline, embracing the Liliacea, Orchidacea, Amaryllidea, etc.