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Dallimore, W. & Jackson, A.B. (1966) A Handbook of the Coniferae and Ginkgoaceae Edward Arnold. London.
Trees or rarely shrubs, monoecious, usually evergreen, the wood resinous. Leaves linear, spirally arranged. Flowers arranged in cones. Male cones lateral with numerous scales, each bearing 2 pollen-sacs. Female cones lateral or ± terminal, woody, each scale bearing 2 ovules on the adaxial surface. Worldwide: 12 genera and 220 species, Northern temperate zones south to Central America, West Indies, Sumatra and Java. Malawi: 1 genus and 1 taxon. |
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