[1] R. speciosa is the third Rafflesia species documented to exist in the Philippines, after R. manillana and R. schadenbergiana.

The species was named by Julie Barcelona and Edwino Fernando.

[2] Rafflesia speciosa was discovered in the mountains of Sibalom Natural Park (particularly Mount Porras) in Antique, Panay by members of an outdoor club.

[4] This article related to a parasitic plant is a stub.

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