TROPICAL PLANT ENCYCLOPEDIA
Erythrophysa transvaalensis
Transvaal Red Balloon, FagaraFamily: Sapindaceae
Origin: South Africa
USDA Plant Hardiness Zone Map
The fruit is a large, balloon-like structure, three-angled, with three chambers; each chamber contains 1 or 2 large, round, smooth black seeds.
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Link to this plant:
https://toptropicals.com/catalog/uid/erythrophysa_transvaalensis.htm