Long distance dispersal, overland migration and extinction in the shaping of tropical African floras
Open Access
- 15 December 1983
- journal article
- Published by South African National Biodiversity Institute in Bothalia
- Vol. 14 (2) , 395-403
- https://doi.org/10.4102/abc.v14i2.1184
Abstract
The distribution, ecology, probable modes of dispersal and taxonomic relationships of five species of Chrysobalanaceae and one of Meliaceae and Hernandiaceae are summarized. Most of these show trans-oceanic disjunctions and, in Africa, behave as ecological and chorological transgressors; morphologically they are variable. The potential importance of transgressors in the origin of new species and of evolutionary innovations, and in the interpretation of disjunctions is discussed.Keywords
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