field bean, pig-ears, rongai dolichos, lab-lab bean, poor mans bean, Tonga bean, hyacinth bean, lablab bean,
Dolichos Lablab Linn., Dolichos benghalensis Jacq. , Dolichos lablab L., Dolichos purpureus L.
Lablab niger Medikus,Lablab purpurea (L.) Sweet
Lablab vulgaris (L.) Savi, Vigna aristata Piper
Plains and low land of India
Seed Collection period
Annual or short lived perennial, poor frost tolerant
Seed Counts per KG
Plant Average Height
Dolichos lablab a perennial, twining or creeping herb generally cultivated as an annual. Most of the varieties have a twining habit; a few are bushy, prostrate or semi-erect. The plant can attain a height of 30ft. Leaves are trifoliate. Leaflets broad ovate-rhomboid, 7.5-15 cm long, thin, acute at ape, almost smooth above and short haired underneath. Petioles are long and slender. Inflorescence lax, fascicled, of many-flowered racemes on elongated peduncles.Flowers white, reddish or purple, borne on axillary racemes, on short pedicels. Pods flat or inflated, linear or broad, 1-5 in. long, in curved iwht remains of persistent style. Sedds (seeds are) globose, ovate or flattened varying in colour from white to dark black. Seeds have a linear white conspicuous hilum, 1.0 cm long x 0.7 cm broad, seeds of 'Highworth' black with a linear white hilum . Seeds can have a mottled colouring in some domesticated varieties and in all wild material. The plant is drought resistant.