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Oxygonum stuhlmannii

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This one is from
Morogoro Prov., Tanzania.

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Author: Carl Lebrecht Udo Dammer, 1895
Origin:  Angola, Burundi, Congo, Kenya, Malawi, Tanzania, Za´re
Soil:  Sandy - Mix
Water:  Medium - Maximum
Sun:  Medium - Maximum
Thickness:  10 Centimetres
Height:  50 Centimetres
Flower:  Whitish
Propagate:  Seeds/(Cuttings?)
Names:  -
Synonyms:  Oxygonum baumii Dammer ex C.H. Wright, 1909.
Oxygonum fasciculatum
C.H. Wright, 1909.
Oxygonum humbertii
Robyns, 1948.

This member of the Polygonaceae family was given this name by Carl Lebrecht Udo Dammer in 1895. It is found in Congo, Angola, Burundi, Kenya, Malawi, Tanzania and Za´re, growing in open areas and open woodland with a sandy soil. The branched stem can reach half a meter while the woody rootstock can reach ten centimetres or more. The flowers are greenish white. This species shows considerable variation in leaf shape and in the hairiness of the leaves. In general, the fruits are the key for identification of this genera.

The genera name means 'sharp-angled'. The species name is named after Franz Ludwig Stuhlmann, 1863-1928, a German naturalist, zoologist and African explorer.

The leaves seen from above, and a close-up.

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