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Ipomoea simplex is a central and eastern Southern African grassland species of Convolvulaceae or Sweet Potato family, notable for its large tuber or root, often eaten raw by Xhosa and Sotho herd boys. Carl Peter Thunberg first described this species in the Prodromus Plantarum Capensium of 1794. 'Ipomoea' = 'worm-like', in reference to the twining habit of the genus.
The Earl of Derby presented Kew Gardens with a "rounded uncouth-looking tuber" in 1844, having acquired it from the Eastern Cape, and all were completely unprepared for the beauty of its flowers that appeared in July 1845. After flowering, the stems died down nearly to the tuber. The following description is taken verbatim from the plant's appearance in Curtis's Botanical Magazine of 1846:
Ipomoea abrupta · Ipomoea aequatoriensis · Tropical white morning-glory · Redcenter morning-glory · Swamp morning-glory · Tree morning glory · Aristolochia Leaved Morning Glory · Ginger-leaf morning-glory · Ipomoea aurantiaca · Canyon morning-glory · Sweet potato · Ipomoea batatoides
Text excerpted from the Wikipedia article Ipomoea simplex by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
Pet safety from the ASPCA toxic and non-toxic plant lists.
