Holigarna nigra is a deciduous tree belonging to the family Anacardiaceae.
Description A large tree producing a black, caustic exudate; branches are glabrous. Leaves are simple, alternate, and spathulate, with a cuneate base, entire margins, and an obtuse or occasionally retuse apex; surfaces glabrous. Lateral veins 6–10 pairs, parallel and prominent; intercostae reticulate. Petioles 1.5–2.5 cm long, each bearing a pair of deciduous spurs.Gamble, J.S. (1918).Flora of the Presidency of Madras. Adlard & Son Ltd., 408 pp
Distribution Frequent in evergreen forests of South West India.Sankara Rao, K., Raja K Swamy, Deepak Kumar, Arun Singh R. and K. Gopalakrishna Bhat (2019). Flora of Peninsular India. http://peninsula.ces.iisc.ac.in/plants.php?name=Holigarna nigra. Downloaded on 14 October 2025.
Phenology Flowering: February–March; fruiting: April–June.Manjunath, K.M., Shashwathi, H.S., Jain, H.R. and Krishnamurthy, Y.L., 2024. The genus Holigarna Buch.-Ham. ex Roxb.(Anacardiaceae) in the central Western Ghats, Karnataka, India. Journal of Threatened Taxa, 16(1), pp.24469-24484.
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