Download Flowering Plants in West Africa by Margaret Steentoft PDF

By Margaret Steentoft

This quantity is an account of the flowering plant flowers of West Africa south of the Sahara (Gambia-Nigeria inclusive) with the emphasis upon species of ecological or financial value. The vegetative and reproductive morphological characters, pollination and dispersal mechanisms of representatives of 38 households are defined, and those households seem within the related order as within the flowers of West Tropical Africa. the 1st bankruptcy bargains with interspecific relationships (between flowering plant species, and among those and micro organism, fungi and animals), whereas the second one bankruptcy describes the plants shaped via the flowering plant species of West Africa. Then stick with the kin chapters, every one finishing with a piece at the box attractiveness of its most vital species, and a bibliography of the literature, in order that extra reports might be pursued. This vegetation may still turn out to be of worth to academics and scholars of tropical biology, agriculture, forestry and fiscal botany.

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Forest herbs Growing in deep shade, these tend to be scattered, but in clearings, where there is more light, very dense communities may develop; broad-leaved grasses appear in shade, sedges more often in clearings. Families well represented include the Acanthaceae, Araceae, Commelinaceae, Marantaceae, Rubiaceae and Zingiberaceae. Forest species (also near water) of sedges/grasses Sedges Grasses Cyperus diffusus C. fertilis Hypolytrum heteromorphum H. purpurascens Mapania spp. Scleria boivinii S.

Even plants only a few centimetres high (and unbranched) are likely to have at any rate 1 spike. The species tolerates some salt and is found in creeks as well as in swampy places inland; also in Gambia. Other trees and shrubs include members of the Annonaceae, Euphorbiaceae and Guttiferae and: Cynometra spp. (Caesalpiniaceae) Napoleonaea vogelii, p . 45 Nauclea pobeguinii (Rubiaceae) Pandanus candelabrum Smeathmannia pubescens Syzygium owariense, pp. 53 Ximenia americana, p . 50 Pandanus candelabrum (Pandanaceae), generally known as screwpine, is a coastal and inland swamp tree up to 10 m high, often growing in groups.

Fruit (flesh removed) with stones exposed and one cut open to show seed x 8. (From Milne-Redhead, 1953, Fig. ) (British Crown copyright. Reproduced with permission of the Controller, Her (Britannic) Majesty's Stationery Office & the Trustees, Royal Botanic Gardens, Kew. ) Vegetation in West Africa 43 Asclepiadaceae). The pollen is in tetrads, the fruit a pair of follicles up to 45 cm long, containing seeds with a tuft of silky hairs on each. In the same family, Tacazzea apiculata is a similar twiner of inselbergs and forest patches in forest-savanna mosaic northwards.

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