Appearance
"M. atropurpureum" is a tropical herbaceous dicot belonging to the family Fabaceae. It rapidly develops dense, hairy, dark green vines about 5 mm in diameter, until it reaches its mature size around 120 cm. The vines have bright green trifoliolate leaves, which are roughly 2–7 cm long with smooth hairs on the underside. Flowers are dark reddish purple. The seeds are small brown peas with a white spot, found in the plant's pods which hang on the vines in bunches of about 5-10. In weather and soil conditions favourable to the plant, stem nodes close to the soil may root, enabling vegetative propagation of the plant. "M. atropurpureum" forms a deep swollen taproot up to 2 cm in diameter.
Distribution
"M. atropurpureum" is native to Central and South America, as well as the Caribbean Islands, and has been known to grow in some regions of southern North America, including Mexico and the USA in states such as Arizona, Texas, Florida, and Hawaii, as well as coastal regions in Queensland and New South Wales, Australia, and scattered regions across Africa.References:
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