Subclass Hamamelidae (Noun)
Meaning
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.
Classification
Nouns denoting plants.
Examples
- The subclass Hamamelidae is a group of ancient flowering plants that have been around since the Cretaceous period.
- Botanists have long been fascinated by the unique characteristics of the subclass Hamamelidae, which includes trees such as beeches and birches.
- The subclass Hamamelidae is often considered a relic of the past, with many of its families having evolved over 100 million years ago.
- One of the defining features of the subclass Hamamelidae is the presence of catkins, which are dense clusters of tiny flowers that are often wind-pollinated.
- The subclass Hamamelidae is a diverse group, encompassing 23 different families of plants, including the Betulaceae and Fagaceae, which are commonly known as the birch and beech families.