Macroptilium heterophyllum (Willd.) Marechal & Baudet
Phaseolus bilobatus Engelm.
Phaseolus fraternus Piper
Phaseolus gibbosifolius Ortega
Phaseolus heterophyllus Willd.
Phaseolus macropoides A.Gray
Phaseolus macropus Benth.
Phaseolus micranthus M.Martens & Galeotti
Phaseolus parviflorus Schltdl.
Phaseolus rotundifolius A.Gray
Phaseolus seleri Harms
Macroptilium gibbosifolium is a low-growing, herbaceous perennial climbing plant, growing from a fleshy, turnip-shaped root 15 - 35mm in diameter. The twining stem sprawls over the ground, climbing into other plants for support[
The plant is harvested from the wild for local use as a food.
S. America - Argentina, Uruguay, Paraguay, Bolivia, Peru; C. America - Honduras and Guatemala, north through Mexico to Arizona, New Mexico, Texas.
Open grassland,; at elevations from 1,500 - 2,200 metres[
Roots - raw[
Like many species within the family Fabaceae, once they have ripened and dried the seeds of this species may benefit from scarification before sowing in order to speed up and improve germination. This can usually be done by pouring a small amount of nearly boiling water on the seeds (being careful not to cook them!) and then soaking them for 12 - 24 hours in warm water. By this time they should have imbibed moisture and swollen - if they have not, then carefully make a nick in the seedcoat (being careful not to damage the embryo) and soak for a further 12 hours before sowing[
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