Hamamelidae

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Hamamelidae

[‚ha·mə′mel·ə‚dē]
(botany)
A small subclass of plants in the class Magnoliopsida having strongly reduced, often unisexual flowers with poorly developed or no perianth.
References in periodicals archive ?
Phylogenetic relationships among families of Magnoliidae and "lower" Hamamelididae have been investigated by Lammers et al.
As a means of objectively evaluating the evolutionary history of wood features among families of Magnoliidae and lower Hamamelididae we defined selected characters in a context appropriate for cladistic analyses (Table IV) and scored the families for these characters (Table V) based on the descriptive data in Table III.