- subclass Hamamelidae as a noun:
- 1
subclass Hamamelidae
noun
1 subclass Hamamelidae
A group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder.
synonym: Hamamelidae.
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