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Didymocheton
	Kohekohe (Didymocheton spectabilis)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Sapindales
Family:	Meliaceae
Subfamily:	Melioideae
Genus:	Didymocheton; Blume (1825)
Type species
	Didymocheton nutans; Blume
Species
	41; see text
Synonyms
	Cambania Comm. ex M.Roem. (1846); Hartighsea A.Juss. (1830); Macrochiton M.Roem. (1846); Meliadelpha Radlk. (1890);

Didymocheton is a genus of flowering plants in the family Meliaceae. It includes 41 species which range from eastern India through Indochina and southern China to Malesia, Papuasia, eastern Australia, New Zealand, and the South Pacific.

The genus was first named by Carl Ludwig Blume in 1825.^[1] Most of the species currently accepted were, until recently, included in genus Dysoxylum. A genetic study published in 2021 found that Dysoxylum is polyphyletic, and Didymocheton was revived and re-circumscribed.^[2]

Species

41 species are accepted.^[1]

Didymocheton aliquantulus (A.C.Sm.) Holzmeyer & Hauenschild – Fiji (northwestern Viti Levu)
Didymocheton alliaceus (G.Forst.) Mabb. – Caroline Islands, Fiji, Niue, Samoan Islands, Solomon Islands, Tonga, Vanuatu, and Wallis and Futuna
Didymocheton aneityensis (Guillaumin) Harms – southern Vanuatu
Didymocheton annae (Mabb.) Mabb. – northwestern New Guinea
Didymocheton bijugus (Labill.) Holzmeyer & Mabb. – Vanuatu, New Caledonia, Norfolk Islands (including Phillip Island)
Didymocheton boridianus (Mabb.) Mabb. – eastern New Guinea
Didymocheton canalensis (Baill.) Holzmeyer & Mabb. – central and southeastern New Caledonia
Didymocheton dolichobotrys (Merr. & L.M.Perry) Harms – Solomon Islands (Santa Isabel Island)
Didymocheton fraserianus (A.Juss.) Mabb. & Hauenschild – New South Wales and Queensland
Didymocheton gaudichaudianus A.Juss. – Christmas Island, Java, Sulawesi, Lesser Sunda Islands, Maluku Islands, Philippines, Papuasia, Queensland, Samoan Islands, Tonga, Vanuatu, and Wallis and Futuna
Didymocheton hornei (Gillespie) Harms – Fiji
Didymocheton huntii (Merr. ex Setch.) Harms – Solomon Islands and Samoan Islands
Didymocheton kouiriensis (Virot) Mabb. – northwestern and central New Caledonia
Didymocheton lenticellaris (Gillespie) Harms – Fiji
Didymocheton loureiroi (Pierre) Harms – Cambodia, Laos, and Vietnam
Didymocheton macranthus (C.DC.) Harms – northwestern and Central New Caledonia
Didymocheton macrostachyus (C.DC.) Mabb. – New Caledonia
Didymocheton minutiflorus (Baill.) Holzmeyer & Mabb. – southeastern New Caledonia
Didymocheton mollis (Miq.) Holzmeyer & Hauenschild – Sulawesi, Maluku Islands, New Guinea, and the Bismarck Archipelago
Didymocheton mollissimus (Spreng.) Mabb. – eastern Himalayas and Bangladesh to Myanmar, southern China, Thailand, Peninsular Malaysia, Sumatra, Borneo, Java, Lesser Sunda Islands, and the Philippines
Didymocheton muelleri (Benth.) Mabb. – Queensland
Didymocheton multijugus (Seem.) Harms – Fiji
Didymocheton myriandrus (A.C.Sm.) Holzmeyer & Hauenschild – Fiji
Didymocheton nutans Blume – Java, Lesser Sunda Islands, Sulawesi, and Maluku Islands
Didymocheton pachyphyllus (Hemsl.) Mabb. & Holzmeyer – Lord Howe Island
Didymocheton pachypodus (Baill.) Harms – central New Caledonia
Didymocheton papuanus (Merr. & L.M.Perry) Mabb. – New Guinea, Solomon Islands, and northern and northeastern Queensland
Didymocheton pauciflorus (Merr.) Mabb. – Philippines
Didymocheton pettigrewianus (F.M.Bailey) Hauenschild & Holzmeyer – Maluku Islands, Papuasia, and Queensland
Didymocheton phaeotrichus (Harms) Mabb. – central New Guinea
Didymocheton roseus (Baill.) Holzmeyer & Mabb. – northern and central New Caledonia
Didymocheton rufescens (Vieill. ex Pancher & Sebert) Harms – New Caledonia
Didymocheton rufus (A.Rich.) Harms – Queensland and northeastern New South Wales
Didymocheton sessilis (Miq.) Kosterm. – northern and Central Maluku
Didymocheton setosus (Span.) Mabb. & Holzmeyer – Lesser Sunda Islands (Timor), New Guinea, and northern Queensland
Didymocheton sparsiflorus (Mabb.) Mabb. – New Guinea
Didymocheton spectabilis (G.Forst.) Mabb. & Holzmeyer – New Zealand
Didymocheton stellatopuberulus (C.DC.) Harms – New Guinea
Didymocheton tenuiflorus (A.C.Sm.) Holzmeyer & Hauenschild – Fiji
Didymocheton tongensis (A.C.Sm.) Holzmeyer & Hauenschild – Tonga ('Eua)
Didymocheton variabilis (Harms) Holzmeyer & Mabb. – Papuasia

References

^ ^a ^b ^c ^d "Didymocheton". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 February 2024.
^ ^a ^b Holzmeyer, L., Hauenschild, F., Mabberley, D.J. and Muellner-Riehl, A.N. (2021), Confirmed polyphyly, generic recircumscription and typification of Dysoxylum (Meliaceae), with revised disposition of currently accepted species. TAXON, 70: 1248-1272. https://doi.org/10.1002/tax.12591