Alismatidae


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Alismatidae

[ə‚liz′mad·ə‚dē]
(botany)
A relatively primitive subclass of aquatic or semiaquatic herbaceous flowering plants in the class Liliopsida, generally having apocarpous flowers, and trinucleate pollen and lacking endosperm.
References in periodicals archive ?
The position of Najas within the subclass Alismatidae (Monocotyledones) in the light of new evidence from seed coat structures in the Hydrocharitoideae (Hydrocharitales).
Phylogenetic trends in the Alismatidae (Monocotyledoneae) Bot.
The Nymphaeales, Alismatidae, and the theory of an aquatic monocotyledon origin.