Bihrmann's

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Family: POLYGONACEAE 

 Oxygonum stuhlmannii
 

This one is from Morogoro Prov., Tanzania.

  
Author:  Carl Lebrecht Udo Dammer, 1895
Family:  Polygonaceae
Habitat:  Angola, Dem. Rep. Congo, Kenya, Tanzania
Soil:  Sandy - Mix
Water:  Medium-maximum
Sun:  Medium-Maximum
Thickness:  10 centimetres
Height:  50 centimetres
Flower:  Whitish
Reproduction:  Seeds/(Cuttings?)
Pop names:  -
Synonyms:  Oxygonum baumii Dammer ex C.H. Wright 1909. Oxygonum fasciculatum C.H. Wright 1909. Oxygonum humbertii Robyns 1948.
Got it from:  Erkelenz - Golkrath, Germany
Year:  2004

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

   This member of the Polygonaceae family was given this name by Carl Lebrecht Udo Dammer in 1895. It is found in Angola, Congo, Kenya and Tanzania, 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.


Flower photos by Specks.