Limabeans are Lima beans. The cultivated species of Phaseolus L. of Leguminosae in Lima can also be called Haba bean, lentil, Myanmar bean, Yangon bean and Madagascar bean. Annual or perennial herbs. Mainly used as grain and vegetables, but also as feed and green manure. It is an annual or perennial herb of Phaseolus in Leguminosae. The seeds vary greatly in size, color and shape, and they are all green when they are immature.

Mainly distributed in South America, Central America, the United States, India, Margash and other places, the dry bean output per hectare 1000-3000kg. China has sporadic cultivation, mainly distributed in Guangxi, Guangdong, Yunnan, Jiangxi, Jiangsu, Taiwan Province and other provinces (autonomous regions). There are three types of plant shapes: erect, semi-creeping and creeping. The main roots of large-grain vine type are thick, while those of small-grain vine type are weak. Cotyledons are unearthed, and the main stem branches are generally 5- 10. The vertical plant height is 30-90cm, with limited pod-setting habit; Leaflets are ovoid, broadly triangular, irregularly rhombic or lanceolate. Axillary racemes, self-pollinated. Flag petals are mostly gray-green, with occasional purple. Yellow, white or purple; The wing petals are white, the keel petals and style are spiral, the pods are flat, rectangular and sometimes curved, each pod contains 2-6 seeds, and the seeds are flat kidney-shaped or irregular diamond-shaped, with white, light yellow, red, purple, black and various patterns or spots. 100 grains weigh 30-200g.