|Hyacinth bean plant|
|Lablab purpureus |
Growthvine, producing purple flowers and striking electric-purple coloured seed pods. Lablab bean is a good choice for a quick screen on a trellis or fence. It grows fast, has beautiful, fragrant flowers that attract butterflies and hummingbirds, and it even produces edible leaves, flowers, pods, seeds and roots. Dry seeds are poisonous due to high concentrations of cyanogenic glucosides, and can only be eaten after prolonged boiling.
forage  and as an ornamental plant. In addition, this plant is also cited as a medicinal plant and a poisonous plant. 
In Maharashtra, a special spicy curry known as Vaala che Birde (वालाचे बीरडे). This delicacy is often used during fasting festivals during Shravan month.
In Telangana region of India, bean(చిక్కుడు) pods cut into small pieces,cooked as spicy curry in Pongal festival season, along with Bajra bread, it has been a very special delicacy for centuries.
In Huế, Vietnam, it is the main igredient of the dish chè đậu ván.
In Kenya, it is known as 'Njahi' and is popular among the Kikuyu group. It is thought to encourage lactation and has historically been the main dish for breastfeeding mothers. Beans are boiled and mashed with ripe and/or semi-ripe bananas giving the dish a sweetish taste.