Ecology & Habitat — Mangrove swamp, savannah forest, especially common in heath forest growing on nutrient-poor soils; sea level to 1 500 m. Tuber nearly always inhabited by ants, and usually by Philidris cordata. Rare in many Indonesian islands.
Sumber: The tuberous epiphytes of the Rubiaceae 7: a revision of the genus Hydnophytum
