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271.0000 Family Simaroubaceae DC.; Nouv. Bull. Sci. Soc. Philom. Paris 2: 209 (1811), nom. cons.
24 genera, ca. 120 spp. Systematics mostly following Cole (Phylogeny Poster, 2023)
Species listed in database: 128
= Ailanthaceae J.Agardh; Theoria Syst. Pl. 223 (1858)
= Castelaceae J.Agardh; Theoria Syst. Pl. 181 (1858)
= Leitneriaceae Benth. & Hook.f.; Gen. Pl. [Bentham & Hooker f.] 3: vi, 396 (1880), nom. cons.
= Quassiaceae Bertol.; Prael. Rei Herb. 262 (1827)
= Simabaceae Horan.; Char. Ess. Fam. 179 (1847)
= Soulameaceae Pfeiff.; Nomencl. Bot. [Pfeiffer] 2: 1202 (1874)
271.0405 Genus Eurycoma Jack; Malayan Misc. 2(7): 44 (1822)
Distribution: Andaman Isl., Indochina, Malesia
Species listed in database: 3
= Picroxylon Warb.; Repert. Spec. Nov. Regni Veg. 16: 256 (1919)
species :
Eurycoma apiculata A.W.Benn.; Fl. Brit. India [J.D.Hooker] 1: 522 (1875)
Distribution: peninsular Malaysia; Sumatera
42 MLY SUM
species :
Eurycoma harmandiana Pierre; Fl. Forest. Cochinch., t. 292 (1893)
Distribution: Thailand; Cambodia; Vietnam
41 CBD THA VIE
Synonyms: hidden
= Eurycoma harmandiana var. thorelii Lecomte; Fl. Indo-Chine [P.H.Lecomte et al.] 1: 697 (1911)
species :
Eurycoma longifolia Jack; Malayan Misc. 2(7): 45 (1822)
subspecies :
subsp. longifolia
Distribution: Myanmar (Kayin, Taninthayi); Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia (throughout); Singapore; Sumatera; Borneo; Brunei
41 CBD LAO MYA THA VIE 42 BOR BRN MLY SNG SUM
Synonyms: hidden
= Eurycoma cochinchinensis Pierre; Fl. Forest. Cochinch. sub t. 292 (1893), in syn.
= Eurycoma latifolia Ridl.; J. Straits Med. Assoc. 5: 127 (1897)
= Eurycoma longifolia var. cambodiana Lecomte; Fl. Indo-Chine [P.H.Lecomte et al.] 1: 696 (1911)
= Eurycoma longifolia var. cochinchinensis Pierre; Fl. Forest. Cochinch., t. 292 (1893)
= Eurycoma longifolia var. merguensis (Planch.) Pierre; Fl. Forest. Cochinch. 3: t. 292 (1894)
= Eurycoma merguensis Planch.; London J. Bot. 5: 584 (1846)
= Eurycoma tavoyana Wall.; Numer. List [Wallich] no. 8523 (1847)
= Manotes asiatica Gagnep.; (1951)
= Picroxylon siamense Warb.; Repert. Spec. Nov. Regni Veg. 16: 256 (1919)
subspecies :
subsp. eglandulosa (Merr.) Noot.; Fl. Males., Ser. 1, Spermatoph. 6: 206 (1962)
Distribution: Philippines (Mindanao, Dinagat)
42 PHI
Synonyms: hidden
= Eurycoma eglandulosa Merr.; Philipp. J. Sci. 17: 266 (1920) (1921)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.08 (August 2nd, 2026)

Covering 360,349 accepted species,
8,927 hybrids, 47,544 accepted infraspecific taxa and 1,011,667 synonyms,
in total 1,428,487* names

[*about 20,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]


With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life