Dillenia quercifolia

References

1. [1]Guide to the Trees of Papua New Guinea — Conn. B.J. & Damas. K.Q. · http://www.pngplants.org/PNGtrees/ ↩︎An Internet site giving good descriptions of the trees of Papua New Guinea.
2. [2]Flora Malesiana Series 1 — Various · Nationaal Herbarium Nederiand, Universiteit Leiden branch · http://www.archive.org ↩︎A massive treatment of the plants of the Malaysian Archipelago. Much of it has been made available to download from the Internet