Nishnath Thaweesha
I am deeply connected to nature, animals, and wildlife. Exploring the healing power of the natural world and traditional herbal wisdom is my lifelong passion. As a Human-in-the-Loop (HITL) Editor, I rigorously fact-check, curate, and verify all botanical content against scientific journals to ensure the highest standards of accuracy and trust.
Articles by Nishnath Thaweesha
Gammiris (Piper nigrum): Black Pepper, Ceylon's Other Great Spice
(Piper nigrum)
Cinnamon gets the fame, but gammiris (Piper nigrum) built empires too — and Sri Lankan black p
Read More →Jayapala (Croton tiglium): The Purging Croton — Upavisha, and Why It Stays That Way
(Croton tiglium)
Jayapala (Croton tiglium) is classed in Ayurveda as upavisha — semi-poisonous — and the classifi
Read More →Kinihiriya (Cochlospermum religiosum): The Buttercup Tree and Katira Gum
(Cochlospermum religiosum)
Kinihiriya (Cochlospermum religiosum) performs an annual act of theatre: it drops every leaf, stands
Read More →Rathnithul (Plumbago indica): Chitraka, the Fiery Root
(Plumbago indica)
Rathnithul (Plumbago indica) is a handsome shrub with scarlet flower spikes, and beneath it a root t
Read More →Heen Bopath (Biophytum sensitivum): The Miniature Tree That Folds
(Biophytum sensitivum)
Heen Bopath (Biophytum sensitivum) is one of the loveliest plants in Sri Lanka and one of the smalle
Read More →Wel Kahambiliya (Tragia involucrata): The Climbing Nettle
(Tragia involucrata)
Wel Kahambiliya (Tragia involucrata) announces itself. Brush past it and the sting arrives instantly
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