Haryana Forest Flora
A Comprehensive Database of Ligneous Plants of Haryana (India)
Designed & Developed by Bioinformatics Centre,Forest Research Institute, Dehradun

Complete Taxonomic details of Species: Cajanus cajan (Linn.) Millsp.

Family: Papilionaceae Genus: Cajanus Species: Cajanus cajan (Linn.) Millsp.( अरहर )






Synonym Cajanus bicolor DC., Cajanus flavus DC., Cytisus cajan Linn.,  Phaseolus balicus Linn. Flower Color Yellow - Orange
Common Name Arhar Flower Type Solitary
English / Trade Name Pigeon Pea, Red gram Flowering Period Oct-Dec
Vernacular /Local Name Arhar Fruiting Period Jan-March
Altitude 100-900 m Fruit Type Pod
Habit Shrub Fruit Details Pods yellow or green striped with maroon or dark purple, pubescent and glandular, seeds 2-9, cream or reddish.
Habitat Roadsides, hills Bark Type Smooth
Distribution Asia and Africa Bark Details Greenish bark
Distribution in Haryana Ambala, Faridabad, Fatehabad, Gurgaon, Hisar, Jhajjar, Jind, Kaithal, Karnal, Kurukshetra, M. Garh, Mewat, Morni-Pinjore, Palwal, Panipat, Rewari, Rohtak, Sonepat, Yamuna Nagar Origin Native
    Leaf Type Compound
    Leaf Arrangement Alternate (leaves born singly along stem)
    Leaf Shape Trifoliate
Description of Species Shrubs, erect, 1-3 m tall. Branchlets gray pubescent. Leaves pinnately 3-foliolate; stipules small, ovate-lanceolate, 0.2-3 mm; petiole 1.5-5 cm, sparsely pubescent; stipels ex¬tremely small; petiolules 1-5 mm, hairy; leaflets lanceolate to elliptic, 2.8-10 × 0.5-3.5 cm, papery, abaxial surface densely pubescent and with inconspicuous yellow glands, adaxial sur¬face pubescent, apex acute or acuminate, usually mucronate. Raceme 3-7 cm; peduncle 2-4 cm; few flowers terminal or al¬most terminal; bracts ovate-elliptic. Calyx campanulate, 5-7 mm; lobes triangular or lanceolate, pubescent. Corolla yellow, ca. 3 × calyx in length; standard suborbicular, with inflexed auricle; wings slightly obovate, with short auricle; keel apex ob¬tuse, slightly inflexed. Ovary hairy; ovules several; style long, linear, glabrous; stigma capitate. Legume linear-oblong, ± in¬flated, 4-8.5 × 0.6-1.2 cm, dun pubescent, apex beaked, acumi¬nate, long mucronate. Seeds 3-6, gray, sometimes with brown spots, subspherical, ca. 5 mm in diam., slightly compressed; strophiole absent. Leaf Details Leaves alternate, trifoliolate; leaflets elliptic to lanceolate, lateral ones obliquely elliptic, 5-13 x 1.5-6 cm, upper surface glabrate, lower surface usually densely silvery pilose; stipules linear 2-3 mm long, stipels filiform 1-2 mm long.

Specimen's Details / Live Plants Details