Rafflesia hasseltii
Rafflesia hasseltii Suringar

Rafflesia hasseltii is a parasitic plant in the genus Rafflesia and family Rafflesiaceae. It is found in Sumatra and Peninsular Malaysia, where it parasitizes certain Tetrastigma species. This species is notable for having the greatest variation in form, color, and pattern among rafflesias.
Description
Rafflesia hasseltii was described by Suringar in 1879. It belongs to the Rafflesiaceae family and is part of the Rafflesia genus. The plant is distributed in Sumatra and Peninsular Malaysia. It is a parasite, relying on Tetrastigma host plants for survival. The species exhibits a wide range of morphological variation, including differences in form, color, and pattern, making it distinct among its relatives in the genus.
Distribution
Borneo · Sumatera
