In the Sinharaja, floristic studies of nearly 17,000 trees and woody lianes above 30 centimeters girth revealed the presence of 211 species belonging to 119 genera and 43 families.

Euphorbiaceae (Macaranga peltata)

Euphorbiaceae (Mallotus tetracoccus)

Apocynaceae (Pagiantha dichotoma)

Rubiaceae (Wendlandia bicuspidate)

Rutaceae (Evodia lunu-ankenda)