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Black Varnish Tree
Holigarna arnottiana
Holigarna arnottiana is a deciduous tree belonging to family Anacardiaceae. This tree is distributed along South West parts of India and is endemic to Western Ghats, from Central and South Sahyadris. It is commonly known as black varnish tree or Malabar marking nut or കരിഞ്ചേര്. The sap of this tree is considered as allergen due to the presence of urushiol compounds.
From the article Holigarna arnottiana on Wikipedia (CC BY-SA), quoted section by section
Description
A large tree, with finely fissured bark. White latex turning black upon contact with air. Leaves are simple, alternate, arranged spirally, clustered at twig ends. Flowers are borne in panicles, 12–24 cm long, golden yellow pubescent, in leaf axils or at branch ends. Flowers are polygamous, greenish white. Fruit is obliquely ovoid, 1-seeded.
What it does
Canopy trees in wet evergreen to semi-evergreen and moist deciduous forests having elevation of 400 to 1200 m.
Wikipedia: “Ecology”
At the table
In Ayurveda, the plant is believed to be helpful in treatment of inflammation, arthritis, haemorrhoids, obesity, tumors, cancer, and skin diseases. It is estimated that bio-Fabricated Silver Nanoparticles from the Leaf Extract of Holigarna arnottiana had antimicrobial, antimitotic, anticancer, and radical-scavenging properties.
== References ==
Wikipedia: “Uses”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Holigarna arnottiana in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 898155.