| 释义 |
Hamamelidae
Thesaurus| Noun | 1. | 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 superordersubclass Hamamelidaeclass - (biology) a taxonomic group containing one or more ordershamamelid dicot family - family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkinshamamelid dicot genus - genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkinsclass Dicotyledonae, class Dicotyledones, class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida - comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; AsteridaeFagales, order Fagales - an order of dicotyledonous trees of the subclass HamamelidaeAmentiferae, group Amentiferae - used in some classification systems for plants that bear catkinsgenus Hamamelidanthum, Hamamelidanthum - genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic regiongenus Hamamelidoxylon, Hamamelidoxylon - genus of fossil plants having wood identical with or similar to that of the witch hazelgenus Hamamelites, Hamamelites - genus of fossil plants having leaves similar to those of the witch hazelfamily Hamamelidaceae, Hamamelidaceae, witch-hazel family - comprises genera Hamamelis, Corylopsis, Fothergilla, Liquidambar, Parrotia, and other small genera |
Hamamelidae
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. Hamamelidae
Synonyms for Hamamelidaenoun a group of chiefly woody plants considered among the most primitive of angiospermsSynonymsRelated Words- class
- hamamelid dicot family
- hamamelid dicot genus
- class Dicotyledonae
- class Dicotyledones
- class Magnoliopsida
- Dicotyledonae
- Dicotyledones
- Magnoliopsida
- Fagales
- order Fagales
- Amentiferae
- group Amentiferae
- genus Hamamelidanthum
- Hamamelidanthum
- genus Hamamelidoxylon
- Hamamelidoxylon
- genus Hamamelites
- Hamamelites
- family Hamamelidaceae
- Hamamelidaceae
- witch-hazel family
|