| 英文摘要 |
The Malastomataceae are primarily tropical and subtropical plants. The family is more highly developed in the tropics of the western hemisphere than is species are found in America. No one genus is common to both regions; as a matter of fact, all tribes between the Old and the New World, with the exception of the Memecyleae, are distinct, a fact indicating the long separation of the members of the family in the tropics of the world. Although the family is mainly of the tropics, a number of the genera contain species that inhabit also subtropical and warmer parts of the temperate regions. Some of the genera are native and almost confined to these less torrid zones. |
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