Dillenia is a genus of flowering plants in the family Dilleniaceae, native to tropical and subtropical regions of southern Asia, Australasia, and the Indian Ocean islands. The genus is named after the German botanist Johann Jacob Dillenius, and consists of evergreen or semi-evergreen trees and shrubs. Structure The leaves are simple and spirally arranged. They are generally large, in the case of D. reticulata reaching 1.27 meters (4.2 feet) in length and about 16 inches (41 centimeters) wide. The flowers are solitary, or in terminal racemes, with five sepals and five petals, numerous stamens (up to 900 in the case of D. ovalifolia, and a cluster of five to 20 carpels; they are superficially similar in appearance to Magnolia flowers. Species Plants of the World Online currently includes: Dillenia alata (R.Br. ex DC.) Banks ex Martelli Dillenia albiflos (Ridl.) Hoogland Dillenia andamanica C.E.Parkinson Dillenia aurea Sm. Dillenia auriculata Martelli Dillenia beccariana Martelli Dillenia biflora (A.Gray) Guillaumin Dillenia blanchardii Pierre Dillenia bolsteri Merr. Dillenia borneensis Hoogland Dillenia bracteata Wight Dillenia castaneifolia (Miq.) Martelli ex T.Durand & B.D.Jacks. Dillenia celebica Hoogland Dillenia crenatifolia Hoogland ex Mabb. Dillenia cyclopensis Hoogland Dillenia diantha Hoogland Dillenia excelsa (Jack) Martelli ex Gilg. Dillenia fagifolia Hoogland Dillenia ferruginea (Baill.) Gilg Dillenia fischeri Merr. Dillenia grandifolia Wall. ex Hook.f. & Thomson Dillenia hookeri Pierre Dillenia indica L. Dillenia ingens B.L.Burtt Dillenia insignis (A.C.Sm.) Hoogland Dillenia insularum Hoogland Dillenia luzoniensis Merr. Dillenia mansonii (Gage) Hoogland Dillenia marsupialis Hoogland Dillenia megalantha Merr. Dillenia monantha Merr. Dillenia montana Diels Dillenia nalagi Hoogland Dillenia obovata (Blume) Hoogland Dillenia ochreata (Miq.) Teijsm. & Binn. ex Martelli Dillenia ovalifolia Hoogland Dillenia ovata Wall. ex Hook.f. & Thomson Dillenia papuana Martelli Dillenia parkinsonii Hoogland Dillenia parviflora Griff. Dillenia pentagyna Roxb. Dillenia philippinensis Rolfe Dillenia pteropoda (Miq.) Hoogland Dillenia pulchella (Jack) Gilg Dillenia quercifolia (C.T.White & W.D.Francis ex Lane-Poole) Hoogland Dillenia reifferscheidia Fern.-Vill. Dillenia reticulata King Dillenia retusa Thunb. Dillenia salomonensis (C.T.White) Hoogland Dillenia scabrella (D.Don) Roxb. ex Wall. Dillenia schlechteri Diels Dillenia serrata Thunb. Dillenia sibuyanensis (Elmer) Merr. Dillenia suffruticosa (Griff.) Martelli Dillenia sumatrana Miq. Dillenia talaudensis Hoogland Dillenia tetrapetala Joongku Lee, T.B.Tran & R.K.Choudhary Dillenia triquetra (Rottb.) Gilg Dillenia turbinata Finet & Gagnep. References Eudicot genera