''Dillenia'' is a genus of evergreen or semi-evergreen trees and shrubs in the flowering plant family

Dilleniaceae Dilleniaceae is a family of flowering plants with 11 genera and about 430 known species. It is known to gardeners for the genus '' Hibbertia'', which contains many commercially valuable garden species. Description and distribution The family is ...

, native to tropical and subtropical regions of southern Asia,

Australasia Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...

, and the Indian Ocean islands. The genus is named after the German botanist

Johann Jacob Dillenius Johann Jacob Dillen Dillenius (1684 – 2 April 1747) was a German botanist. He is known for his ''Hortus Elthamensis'' ("Eltham Garden") on the rare plants around Eltham, London, and for his ''Historia muscorum'' ("History of Mosses"), a natu ...

Structure

The leaves are simple and spirally arranged. They are generally large, in the case of ''

Dillenia reticulata ''Dillenia reticulata'' is a deciduous rainforest tree in the family Dilleniaceae. It is native to the Malay Peninsula, Borneo and Sumatra. Description The species typically grows to high and about thick, with a maximum recorded height of . ...

'' reaching in length and about wide. The flowers are solitary, or in terminal

raceme A raceme () or racemoid is an unbranched, indeterminate growth, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are ...

s, with five

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 Etymology The term ''sepalum'' ...

s and five petals, numerous

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s (up to 900 in the case of ''

Dillenia ovalifolia ''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 afte ...

'', and a cluster of five to 20

carpel Gynoecium (; ; : gynoecia) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more ...

s; they are superficially similar in appearance to ''

Magnolia ''Magnolia'' is a large genus of about 210 to 340The number of species in the genus ''Magnolia'' depends on the taxonomic view that one takes up. Recent molecular and morphological research shows that former genera ''Talauma'', ''Dugandiodendr ...

'' flowers.

Species

Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...

recognises the following 60 species: *'' Dillenia alata'' *'' Dillenia albiflos'' *'' Dillenia andamanica'' *'' Dillenia aurea'' *'' Dillenia auriculata'' *'' Dillenia beccariana'' *'' Dillenia biflora'' *'' Dillenia blanchardii'' *'' Dillenia bolsteri'' *'' Dillenia borneensis'' *'' Dillenia bracteata'' *'' Dillenia castaneifolia'' *'' Dillenia celebica'' *'' Dillenia crenatifolia'' *''

Dillenia cyclopensis ''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 ...

'' *'' Dillenia diantha'' *''

Dillenia excelsa ''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 ...

'' *'' Dillenia fagifolia'' *'' Dillenia ferruginea'' *'' Dillenia fischeri'' *'' Dillenia grandifolia'' *'' Dillenia hookeri'' *''

Dillenia indica ''Dillenia indica'', commonly known as elephant apple or ou tenga, is a species of ''Dillenia'' (Family Dilleniaceae) native to China, India, and tropical Asia. It is found in stony river banks. This species was one of the many first described b ...

'' *'' Dillenia ingens'' *'' Dillenia insignis'' *'' Dillenia insularum'' *'' Dillenia luzoniensis'' *'' Dillenia mansonii'' *''

Dillenia marsupialis ''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 ...

'' *'' Dillenia megalantha'' *'' Dillenia monantha'' *'' Dillenia montana'' *'' Dillenia nalagi'' *''

Dillenia obovata ''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 ...

'' *'' Dillenia ochreata'' *''

'' *'' Dillenia ovata'' *'' Dillenia papuana'' *'' Dillenia parkinsonii'' *'' Dillenia parviflora'' *'' Dillenia pentagyna'' *'' Dillenia philippinensis'' *'' Dillenia pteropoda'' *'' Dillenia pulchella'' *'' Dillenia quercifolia'' *'' Dillenia reifferscheidia'' *''

'' *'' Dillenia retusa'' *'' Dillenia salomonensis'' *'' Dillenia scabrella'' *'' Dillenia schlechteri'' *''

Dillenia serrata ''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 afte ...

'' *'' Dillenia sibuyanensis'' *'' Dillenia suffruticosa'' *'' Dillenia sumatrana'' *'' Dillenia talaudensis'' *'' Dillenia tetrapetala'' *'' Dillenia tirupatiensis'' *'' Dillenia triquetra'' *'' Dillenia turbinata''

References

{{Taxonbar, from=Q138842 Eudicot genera