Holigarna nigra

Holigarna nigra
Holigarna nigra
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Sapindales
Family:	Anacardiaceae
Genus:	Holigarna
Species:	H. nigra
Binomial name
Holigarna nigra Bourd.

Holigarna nigra is a deciduous tree belonging to the family Anacardiaceae. ^[1]

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. ^[2]

Distribution

Frequent in evergreen forests of South West India. ^[3]

Phenology

Flowering: February–March; fruiting: April–June. ^[4]

Reference

1. "Holigarna nigra Bourd. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2025-10-14.
2. Gamble, J.S. (1918).Flora of the Presidency of Madras. Adlard & Son Ltd., 408 pp
3. 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.
4. 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.