Calonyction acanthocarpum Choisy
Convolvulus obscurus L.
Ipomoea acanthocarpa (Choisy) Asch. & Schweinf.
Ipomoea acutiflora A.Rich.
Ipomoea demissa Hallier f.
Ipomoea dubia Cout.
Ipomoea fragilis Choisy
Ipomoea inconspicua Baker
Ipomoea longipes Engl.
Ipomoea luteola R.Br.
Ipomoea saltiana Rendle
Ipomoea sudanica A.Chev.
Ipomoea tenuis E.Mey.
Merremia geophiloides A.Chev.
Ipomoea obscura is an annual or perennial herb with slender, twining or prostrate stems up to 3 metres long and 2cm in diameter[
The plant is harvested from the wild for local use as a food and medicine. It also has ornamental value as a climber with attractive flowers[
Widespread in tropical and south Africa, through tropical Asia to northern Australia and Fiji.
Grassland, thickets, hedges, open forest, waste ground, roadsides and as a weed in cultivated fields, occasionally along sandy beaches, at elevations from sea-level up to 1,800 metres[
|Cultivation Status||Ornamental, Wild
Grows best in full sun[
]. Succeeds in most soils, so long as they are well-drained[
The plant is often grown as an ornamental, and is also used as a food and traditional medicine. It has been spread by human activity and escapes from cultivation. It has been declared to be an invasive weed in many areas, particularly Hawaii and the Caledonian Islands[
Leaves - cooked and eaten as a vegetable or added to soups[
]. The leaves are mucilaginous, with a pleasant smell[
The leaf sap is used to treat fits of insanity[
A paste of the leaves, combined with the leaves of Argyreia mollis and alcohol, is applied to open sores and pustules[
]. The dried and powdered leaves are used to treat aphthae[
A root decoction is drunk against dysentery[
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