Dillenia is a genus of evergreen or semi-evergreen trees and shrubs in the flowering plant 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.
Structure
The leaves are simple and spirally arranged. They are generally large, in the case of
Dillenia reticulata reaching in length and about wide.
The flowers are solitary, or in terminal
, with five
and five petals, numerous
(up to 900 in the case of
Dillenia ovalifolia), and a cluster of five to 20
. Some species, such as
Dillenia indica[Fayaz, Encyclopedia, op.cit. p.339] and
Dillenia megalantha can have flower diameters of . They are superficially similar in appearance to
Magnolia flowers.
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==Image gallery==
Species
, Plants of the World Online recognises the following 60 species:
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Dillenia alata
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Dillenia albiflos
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Dillenia andamanica
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Dillenia aurea
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Dillenia auriculata
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Dillenia beccariana
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Dillenia biflora
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Dillenia blanchardii
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Dillenia bolsteri
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Dillenia borneensis
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Dillenia bracteata
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Dillenia castaneifolia
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Dillenia celebica
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Dillenia crenatifolia
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Dillenia cyclopensis
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Dillenia diantha
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Dillenia excelsa
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Dillenia fagifolia
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Dillenia ferruginea
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Dillenia fischeri
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Dillenia grandifolia
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Dillenia hookeri
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Dillenia indica
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Dillenia ingens
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Dillenia insignis
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Dillenia insularum
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Dillenia luzoniensis
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Dillenia mansonii
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Dillenia marsupialis
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Dillenia megalantha
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Dillenia monantha
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Dillenia montana
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Dillenia nalagi
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Dillenia obovata
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Dillenia ochreata
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Dillenia ovalifolia
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Dillenia ovata
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Dillenia papuana
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Dillenia parkinsonii
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Dillenia parviflora
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Dillenia pentagyna
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Dillenia philippinensis
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Dillenia pteropoda
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Dillenia pulchella
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Dillenia quercifolia
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Dillenia reifferscheidia
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Dillenia reticulata
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Dillenia retusa
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Dillenia salomonensis
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Dillenia scabrella
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Dillenia schlechteri
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Dillenia serrata
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Dillenia sibuyanensis
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Dillenia suffruticosa
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Dillenia sumatrana
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Dillenia talaudensis
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Dillenia tetrapetala
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Dillenia tirupatiensis
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Dillenia triquetra
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Dillenia turbinata
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