Macroptilium is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae.

Macroptilium atropurpureum, commonly referred to as purple bush-bean, [2] or siratro is a perennial legume recognized by its climbing, dense, green vines and deep purple flowers. [3] The plant is indigenous to the tropical and subtropical regions of North, Central, and South America, as far north as Texas in the USA and as far south as Peru and ...

Macroptilium lathyroides is a species of plant in the legume family (Fabaceae) commonly known as the phasey bean. It is the type species of genus Macroptilium. Herbaceous annual or short-lived perennial growing up to 1 m high, it is native to the tropical and subtropical areas of Central and South America, and naturalized throughout the tropics.

Macroptilium atropurpureum is a perennial herb widely cultivated across tropical and subtropical regions of the world as a forage crop, a soil and pasture improver and for ground cover. It is native to tropical America and has been introduced across Africa, Asia, the Caribbean, Australia and many islands in Oceania.

Siratro (Macroptilium atropurpureum (DC.) Urb.) is a perennial tropical legume valuable for pasture. Siratro is trailing, climbing or twining, depending on the species it is grown with (Ecocrop, 2012). Siratro has a deep swollen taproot, up to 2 cm in diameter from which stems arise.

TYPE: Macroptilium lathyroides (Linnaeus) Urban (Phaseolus lathyroides Linnaeus)

Twining and trailing perennial, herbaceous leguminous vine, climbing up to 5m high, and creeping to 5m wide by stolons. Deep-rooted, with swollen tuberous taproot.

Macroptilium atropurpureum, commonly referred to as purple bush-bean, or siratro is a perennial legume recognized by its climbing dense green vines and deep purple flowers.

Scientific Name: Macroptilium atropurpureum. Common Names: Purple Bushbean, Purple Bush-bean, Atro, Siratro. Plant Characteristics. Duration: Perennial. Growth Habit: Vine, Herb/Forb. Hawaii Native Status: Introduced. This fast growing, naturalized cattle forage plant is native to tropical and subtropical areas from the southern U.S. to South ...

Habitat: Macroptilium atropurpureum is considered a weedy species growing in Human Altered environments (old fields, roadsides, and abandoned farms). Distribution: Macroptilium atropurpureum is NOT native to the Lucayan Archipelago. It is native to Central and northern South America.