Canjanus Cajan
TheĀ pigeon peaĀ (Cajanus cajan), also known asĀ pigeonpea,Ā red gram,Ā tur,Ā pwa kongoĀ inĀ Haiti, or asĀ gungo peasĀ in Jamaica,Ā is a perennialĀ legumeĀ from the FamilyĀ Fabaceae.
Pigeon pea is an erect, short-lived perennial leguminous shrub that usually grows to a height of about 1-2 m, but can reach up to 2-5 m high. It quickly develops a deep (2 m depth) poisonous taproot. The stems are woody at the base, angular and branching. The leaves are alternate and trifoliate. The leaflets are oblong and lanceolate, 5-10 cm long x 2-4 cm wide. Leaves and stems are pubescent. The flowers (5 to 10) are grouped in racemes at the apices or axils of the branches. The flowers are papilionaceous and generally yellow in colour. They can also be striated with purple streaks. The corolla is about 2-2.5 cm. The fruit is a flat, straight and pubescent pod, 5-9 cm long x 12-13 mm wide. It contains 2-9 seeds that are brown, red or black in colour.