This species is closely related to Begonia komoensis[
Begonia epiphytica Hook.f.
Begonia excelsa Hook.f.
Begonia ndongensis Engl.
A drawing of the leaves and flowers from Curtis's Botanical Magazine, vol. 90 1864
Photograph by: Hooker
Begonia mannii is a scrambling, epiphytic, perennial plant with succulent stems up to 5 metres long that root at the nodes[
The leaves are harvested from the wild for local use as a food and medicine.
West tropical Africa - Sierra Leone to Cameroon, south to Gabon and Congo.
Rain-forest, Aframomum thicket; on the lower part of tree trunks up to 8 metres above ground; sometimes scrambling on rocks; stream banks; at elevations up to 1,200 metres[
Leaves - cooked and eaten as a vegetable[
]. An acid flavour, they can be used like sorrel leaves (Rumex spp.)[
The leaves are eaten as a vegetable, and also used as a douche and hip bath, in order to treat inflammation of the vagina and of the uterus. The douche and hi baths are usually in combination with the bark of Cyclodiscus gabonensis[
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