We are following the treatment in Obiang-Mbomio D. & Breteler F. J. 2007. - Révision du genre Eurypetalum Harms (Fabaceae, Caesalpinioideae). Adansonia, sér. 3, 29 (1) : 67-76., which has reduced Eurypetalum batesii to synonymy of Eurypetalum tessmannii.
Eurypetalum batesii Baker f.
Eurypetalum tessmannii is an evergreen tree that can grow up to 40 metres tall. The bole can be up to 90cm in diameter, often with many upright sprouts at the base or several boles together, with buttresses, and sometimes with aerial roots[
The tree is harvested from the wild for local use as a source of wood and dyestuff.
There is no precise data about population status, abundance and trends at present but the species appears in several reports, checklists and papers, suggesting that E. tessmannii is present in its natural range and it is quite widespread. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2011)[
West tropical Africa - Cameroon, Equatorial Guinea, Gabon.
]. Lowland rainforest, in both dense primary forest and also the more open, older secondary formations, at elevations up to 350 metres[
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Found in the wild mainly on clay and loamy soils[
In the forest, trees are often surrounded by sprouts from the base of the bole; these sprouts may form circles of up to 5 metres in diameter[
The flowers are possibly functionally unisexual. Trees with only apparently male flowers are more common than trees with apparently female flowers, in a proportion of approximately 4:1[
The fruits are explosively dehiscent with spiralling valves, dispersing the seeds over some distance[
The plant's vegetative way of propagation by sprouting may offer good possibilities for multiplication for purposes such as reafforestation programmes[
A red dye is present in the wood[
The heartwood is coppery reddish brown; it is distinctly demarcated from the whitish to pale orange-yellow sapwood. The texture is fine. The wood is rather heavy and hard. It is used locally for construction, joinery and carpentry. In Gabon it is considered durable and used for house construction[
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