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492.0000 Family Rubiaceae Juss.; Gen. Pl. [Jussieu] 196 (1789), nom. cons.
589 genera, ca. 14.200 spp. mostly tropics, comparably few temperate. Phylogeny: Razafimandimbison & Rydin (2024)
Species listed in database: 14370; hybrids: 47
= Aparinaceae Hoffmanns. & Link; Fl. Portug. [Hoffmannsegg] 2: 3, 38 (1813-1829)
= Asperulaceae Cham. ex Spenn.; Handb. Angew. Bot. 2: 493 (1835)
= Catesbaeaceae Martinov; Tekhno-Bot. Slovar 111 (1820)
= Cephalanthaceae Raf.; Ann. Gén. Sci. Phys. 6: 86 (1820)
= Cinchonaceae Batsch; Tab. Affin. Regni Veg. 234 (1802)
= Coffeaceae Batsch; Tab. Affin. Regni Veg. 233 (1802)
= Coutareaceae Martinov; Tekhno-Bot. Slovar 168 (1820)
= Dialypetalanthaceae Rizzini & Occhioni; Lilloa 17: 253 (1948), nom. cons.
= Galiaceae Lindl.; Intr. Nat. Syst. Bot., ed. 2: 249 (1836)
= Gardeniaceae Dumort.; Anal. Fam. Pl. 29, 32 (1829)
= Guettardaceae Batsch; Tab. Affin. Regni Veg. 235 (1802)
= Hameliaceae Mart.; Consp. Regn. Veg. [Martius] 31 (1835)
= Hedyotidaceae Dumort.; Commentat. Bot. [Dumortier] 57 (1822)
= Henriqueziaceae Bremek.; Acta Bot. Neerl. 6 (Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 141): 371 (1957)
= Houstoniaceae Raf.; Good Book 21 (1840)
= Hydrophylacaceae Martinov; Tekhno-Bot. Slovar 318 (1820)
= Lippayaceae Meisn.; Pl. Vasc. Gen. [Meisner], Tab. Diagn. 156, Comm. 112 (1838)
= Lygodisodeaceae Bartl.; Ord. Nat. Pl. 123, 207 (1830)
= Naucleaceae Wernham; New Phytol. 11: 225 (1912)
= Nonateliaceae Martinov; Tekhno-Bot. Slovar 420 (1820)
= Operculariaceae Juss. ex Perleb; Vers. Arzneikr. Pfl. 207 (1818)
= Pagamaeaceae Martinov; Tekhno-Bot. Slovar 447 (1820)
= Psychotriaceae F.Rudolphi; Syst. Orb. Veg. 49 (1830)
= Randiaceae Martinov; Tekhno-Bot. Slovar 534 (1820)
= Sabiceaceae Martinov; Tekhno-Bot. Slovar 555 (1820)
= Spermacoceaceae Bercht. & J.Presl; Přir. Rostlin 256 (1820)
= Theligonaceae Dumort.; Anal. Fam. Pl. 15, 17 (1829), nom. cons.
492.2211 Genus Streblosa Korth.; Ned. Kruidk. Arch. 2(2): 245 (1851)
Distribution: W-Malesia. To be included in an expanded Psychotria s. l., but the formal transfer has not yet been done.
Species listed in database: 25
species :
Streblosa anambasica Bremek.; J. Arnold Arbor. 28: 173 (1947)
Distribution: Borneo (Anambas Isl.)
42 BOR
species :
Streblosa assimilis Bremek.; J. Arnold Arbor. 28: 181 (1947)
Distribution: Borneo
42 BOR
species :
Streblosa axilliflora Merr.; Philipp. J. Sci., C 10: 141 (1915)
Distribution: Palawan; Philippines (Luzon, Samar, Catanduanes)
42 PHI PLW
Synonyms: hidden
= Streblosa axilliflora var. angustifolia Bremek.; J. Arnold Arbor. 28: 184 (1947)
= Streblosa axilliflora var. latifolia Bremek.; J. Arnold Arbor. 28: 184 (1947)
= Streblosa axilliflora var. laxiflora Bremek.; J. Arnold Arbor. 28: 184 (1947)
species :
Streblosa bracteata Ridl.; J. Straits Branch Roy. Asiat. Soc. 57: 64 (1911)
Distribution: peninsular Malaysia; Borneo
42 BOR MLY
species :
Streblosa bracteolata Merr.; Mitt. Inst. Allg. Bot. Hamburg 7: 295 (1937)
Distribution: Borneo
42 BOR
species :
Streblosa bullata Merr.; Mitt. Inst. Allg. Bot. Hamburg 7: 296 (1937)
Distribution: Borneo
42 BOR
species :
Streblosa chlamydantha Bremek.; J. Arnold Arbor. 28: 177 (1947)
Distribution: Borneo
42 BOR
species :
Streblosa deliensis Bremek.; J. Arnold Arbor. 28: 173 (1947)
Distribution: Sumatera
42 SUM
species :
Streblosa glabrata Valeton; Bot. Jahrb. Syst. 44: 567 (1910)
Distribution: Borneo
42 BOR
Synonyms: hidden
= Streblosa platyphylla Merr.; Univ. Calif. Publ. Bot. 15: 288 (1929)
species :
Streblosa hypomalaca Bremek.; J. Arnold Arbor. 28: 174 (1947)
Distribution: Sumatera (Sipora Isl.)
42 SUM
species :
Streblosa johannis-winkleri Merr.; Mitt. Inst. Allg. Bot. Hamburg 7: 297 (1937)
Distribution: Borneo
42 BOR
species :
Streblosa lampongensis Bremek.; J. Arnold Arbor. 28: 165 (1947)
Distribution: Sumatera
42 SUM
species :
Streblosa lanceolata Merr.; Mitt. Inst. Allg. Bot. Hamburg 7: 297 (1937)
Distribution: Borneo
42 BOR
species :
Streblosa leiophylla Bremek.; J. Arnold Arbor. 28: 175 (1947)
Distribution: Sumatera (Siberut Isl.)
42 SUM
species :
Streblosa longiscapa Bremek.; J. Arnold Arbor. 28: 178 (1947)
Distribution: Borneo
42 BOR
species :
Streblosa maxima Bremek.; J. Arnold Arbor. 28: 168 (1947)
Distribution: Borneo
42 BOR
species :
Streblosa microcarpa Ridl.; Fl. Malay Penins. 2: 148 (1923)
Distribution: peninsular Thailand; peninsular Malaysia (Penang, Perak); Sumatera
41 THA 42 MLY SUM
Synonyms: hidden
= Streblosa microcarpa var. enotata Craib; Fl. Siam 2: 202 (1934)
= Streblosa puberula Merr.; Pap. Michigan Acad. Sci. 23: 195 (1937 publ. 1938)
= Streblosa wallichii Merr.; Pap. Michigan Acad. Sci. 23: 194 (1937 publ. 1938), nom. illeg.
species :
Streblosa multiglandulosa Merr.; Univ. Calif. Publ. Bot. 15: 288 (1929)
Distribution: Borneo
42 BOR
species :
Streblosa myriocarpa Merr.; Mitt. Inst. Allg. Bot. Hamburg 7: 296 (1937)
Distribution: Borneo
42 BOR
species :
Streblosa palawanensis Bremek.; J. Arnold Arbor. 28: 182 (1947)
Distribution: Palawan
42 PLW
Synonyms: hidden
= Streblosa palawanensis var. elmeri Bremek.; J. Arnold Arbor. 28: 183 (1947)
= Streblosa palawanensis var. merrillii Bremek.; J. Arnold Arbor. 28: 183 (1947)
species :
Streblosa polyantha Korth.; Ned. Kruidk. Arch. 2(2): 246 (1851)
Distribution: peninsular Malaysia (Penang, Perak); Sumatera; Borneo
42 BOR MLY SUM
Synonyms: hidden
= Psychotria singalensis Miq.; Fl. Ned. Ind. 2: 294 (1857)
= Streblosa hirta Ridl.; J. Straits Branch Roy. Asiat. Soc. 57: 63 (1911)
= Streblosa pubescens Ridl.; J. Straits Branch Roy. Asiat. Soc. 57: 63 (1911)
species :
Streblosa scabridula Bremek.; J. Arnold Arbor. 28: 176 (1947)
Distribution: Sumatera
42 SUM
species :
Streblosa tortilis (Blume) Korth.; Ned. Kruidk. Arch. 2(2): 246 (1851)
Distribution: Sumatera; Jawa
42 JAW SUM
Synonyms: hidden
= Psychotria microcarpa Wall.; Numer. List [Wallich] no. 8344 (1847), nomen
= Psychotria tortilis Blume; Bijdr. Fl. Ned. Ind. 958 (1826)
= Uragoga tortilis (Blume) Baill.; Adansonia 12: 325 (1879)
species :
Streblosa undulata Korth.; Ned. Kruidk. Arch. 2(2): 247 (1851)
Distribution: Borneo
42 BOR
species :
Streblosa urticina Stapf; Trans. Linn. Soc. London, Bot., Ser. 2, 4: 182 (1894)
Distribution: Borneo
42 BOR
Synonyms: hidden
= Streblosa urticina var. glabrescens Bremek.; J. Arnold Arbor. 28: 180 (1947)
= Streblosa urticina var. stapfii Bremek.; J. Arnold Arbor. 28: 180 (1947)
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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