Rafflesia harjatiae

Rafflesia harjatiae
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Rafflesiaceae
Genus: Rafflesia
Species:
R. harjatiae
Binomial name
Rafflesia harjatiae
Mahyuni, Susatya, Sudarmono, Latifah, Smits & Priyadi 2026

Rafflesia harjatiae is a parasitic plant species in the family Rafflesiaceae that is endemic to East Kalimantan, Indonesia. This species was officially described as a new species on January 12, 2026, in the journal Sains Malaysiana through an article titled "Rafflesia harjatiae (Rafflesiaceae) sp. nov., A New Species from East Kalimantan, Indonesia".

The species was discovered in the lowland forest area of Sepaku, Penajam Paser Utara Regency, and is known to grow as a parasite on vines of the genus Tetrastigma (Vitaceae).