White stinkwood
| White stinkwood | |
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| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Cannabaceae |
| Genus: | Celtis |
| Species: | C. africana |
| Binomial name | |
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Celtis africana N.L.Burm. |
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Celtis africana, the white stinkwood, is a deciduous tree in the family Cannabaceae. Its habit ranges from a tall tree in forest to a medium-sized tree in bushveld and open country, and a shrub on rocky soil. It occurs in Yemen and over large parts of Africa south of the Sahara. It is a common tree in the south and east of southern Africa, where the odour given off by freshly-cut green timber is similar to that of Ocotea bullata or Black Stinkwood.
Growing as an individual tree in the open and under favourable conditions, Celtis africana becomes a tree of medium height, typically up to 12 m or so. It then usually forms a dense, hemispherical canopy. The bole of a mature tree then is thick and buttressed, often forked fairly near the ground. In forest it may grow up to 25 m tall, with a single, clean bole, though such large specimens usually are more or less buttressed too. In an exposed, rocky position it may be a bonsai-like small shrub. The trunk has a smooth, pale grey to white bark that may be loosely peeling in old trees and commonly has horizontal ridges.
The tree is deciduous in the drier, frostier interior of its range in Africa, but semi-deciduous nearer the coast; in areas with wetter, milder winters it commonly retains its old leaves till after the spring leaf-flush appears. In spring it produces light green, tender, new leaves that contrast with the pale bark. The leaves are simple, alternate, ovate to acuminate in shape with three distinct veins from the base. The leaf margin is slightly toothed (specifically serrate) towards the apex, whereas the basal third tends to be entire. The new leaves are bright, fresh green and hairy on the upper surface; they turn darker green and become smoother as they mature. (Leaf size: 15 to 100 mm length x 10 to 50 mm breadth).
The trees' small flowers are pale yellow in colour, and appear from August to October. Their fruit are carried on long, thin stalks. They are yellow or brown in colour and about 4 mm in diameter.
Occurs in a wide variety of habitats from wet forest and coastal bush to bushveld, mountain gorges and open country, typically savanna. Its range extends from the Western Cape, eastwards and northwards around the southern African coastline, extending inland in the warmer, wetter regions, and further north into Ethiopia.
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Wikipedia