227.0000
Family
Melastomataceae Juss.; Gen. Pl. [Jussieu] 328 (1789), nom. cons.
148 genera, ca. 6000 spp. tropics, by far the majority in tropical America, almost 1000 in Colombia. Complete phylogeny: Goldenberg et al. (2022), refined by Quakenbush et al. (2025)
Species listed in database: 6080; hybrids: 2
= Blakeaceae Rchb. ex Barnhart; Bull. Torrey Bot. Club 22: 19 (1895)
= Memecylaceae DC.; Linnaea 2: 505 (1827)
= Miconiaceae Mart.; Consp. Regn. Veg. [Martius] 64 (1835)
= Mouririaceae Gardner; J. Bot. [Hooker] 2: 22 (1840)
= Rhexiaceae Dumort.; Commentat. Bot. [Dumortier] 59 (1822)
227.4818
Genus
Guyonia Naudin; Ann. Sci. Nat., Bot., Sér. 3, 14: 149 (1850)
Distribution: Tropical Africa
Species listed in database: 14
= Afzeliella Gilg; Monogr. Afrik. Pflanzen-Fam. 2: 4 (1898)
species :
Guyonia antennina
(Sm.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 607 (2017)
Distribution: Guinea; Sierra Leone; Ivory Coast
22 GUI IVO SIE
Synonyms: hidden
= Dissotis antennina (Sm.) Hook.f.; Fl. Trop. Afr. [Oliver et al.] 2: 449 (1871)
= Heterotis antennina (Sm.) Benth.; Niger Fl. [W.J.Hooker] 349 (1849)
= Kadalia antennina (Sm.) Raf.; Sylva Tellur. 101 (1838)
= Lignieria alpestris A.Chev.; Explor. Bot. Afrique Occ. Franç. 1: 279 (1920), nomen
= Osbeckia antennina Sm.; Cycl. [A.Rees] 25
species :
Guyonia arenaria
(Jacq.-Fél.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 607 (2017)
Distribution: Gabon
23 GAB
Remarks: only known from the type collected in 1983
Synonyms: hidden
= Heterotis arenaria Jacq.-Fél.; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 9(3): 255 (1987 publ. 1988)
species :
Guyonia ciliata
Hook.f.; Fl. Trop. Afr. [Oliver et al.] 2: 443 (1871)
Distribution: Guinea; Sierra Leone; Liberia; Cameroon; Bioko Isl. [Fernando Poo]; Gabon; Congo [Brazzaville]; D.R.Congo [Zaire]; Uganda; N-Tanzania; Angola
22 GUI LBR SIE 23 BIO CMN CON GAB ZAI 25 TAN UGA 26 ANG
Synonyms: hidden
= Afzeliella ciliata Gilg; Monogr. Afrik. Pflanzen-Fam. 2: 5 (1898)
= Afzeliella intermedia (Cogn.) Gilg; Wiss. Ergebn. Deut. Zentr.-Afr. Exped. (1907-1908), Bot. 2: 582 (1913)
= Guyonia gracilis A.Chev.; Explor. Bot. Afrique Occ. Franç. 1: 272 (1920), nomen
= Guyonia intermedia Cogn.; Pl. Thonn. Congol. 30 (1900)
species :
Guyonia cinerascens
(Hutch.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Nigeria; Cameroon; Central African Republic; South Sudan
22 NGA 23 CAF CMN 24 SSU
Synonyms: hidden
= Dissotis cinerascens Hutch.; Bull. Misc. Inform. Kew 1921: 372 (1921)
= Heterotis cinerascens (Hutch.) Jacq.-Fél.; Adansonia, Sér. 2, 20(4): 419 (1981)
species :
Guyonia entii
(J.B.Hall) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Ivory Coast
22 IVO
Synonyms: hidden
= Heterotis entii (J.Hall) Jacq.-Fél.; Adansonia, Sér. 2, 20(4): 419 (1981)
= Dissotis entii J.B.Hall; Kew Bull. 24: 346 (1970)
species :
Guyonia glandulosa
(A.Fern. & R.Fern.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: W-Zambia
26 ZAM
Remarks: only known from the type collected in 1963
Synonyms: hidden
= Dissotis glandulosa A.Fern. & R.Fern.; Bol. Soc. Brot., Ser. 2, 43: 293 (1969)
species :
Guyonia humilis
(A.Chev. & Jacq.-Fél.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Guinea
22 GUI
Synonyms: hidden
= Dissotis humilis A.Chev. & Jacq.-Fél.; Bull. Mus. Natl. Hist. Nat., Sér. 2, 4: 684 (1932)
species :
Guyonia jacquesii
(A.Chev.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Guinea; Sierra Leone; Liberia; Ivory Coast
22 GUI IVO LBR SIE
Synonyms: hidden
= Heterotis jacquesii (A.Chev.) Aké Assi; Flore Côte d´Ivoire (Thesis) 2: 991 (1984)
= Dissotis jacquesii A.Chev.; Bull. Mus. Natl. Hist. Nat., Sér. 2, 4: 686 (1932)
species :
Guyonia obamae
(Lejoly & Lisowski) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Equatorial Guinea
23 EQG
Synonyms: hidden
= Heterotis obamae Lejoly & Lisowski; Syst. Geogr. Pl. 69(2): 185 (1999)
species :
Guyonia pygmaea
(A.Chev. & Jacq.-Fél.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Guinea
22 GUI
Synonyms: hidden
= Heterotis pygmaea (A.Chev. & Jacq.-Fél.) Jacq.-Fél.; Adansonia, Sér. 2, 20(4): 419 (1981)
= Dissotis pygmaea A.Chev. & Jacq.-Fél.; Bull. Mus. Natl. Hist. Nat., Sér. 2, 4: 685 (1932)
species :
Guyonia rupicola
(Gilg ex Engl.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Sierra Leone; Liberia; Ivory Coast; Cameroon; Gabon; Congo [Brazzaville]
22 IVO LBR SIE 23 CMN CON GAB
Synonyms: hidden
= Dissotis glauca Keay; Kew Bull. [7]: 545, et Fl. West Trop. Afr., ed. 2, 1: 257, 1954, nom. nov. de D. rupicola Hutch. & Dalziel, nom. illeg. (1953)
= Dissotis rupicola Gilg ex Engl.; Veg. Erde [Engler & Drude] 9 (Pflanzenw. Afr.) 3(2): 748 (1921)
= Dissotis rupicola Hutch. & Dalziel; Fl. W. Trop. Afr. [Hutchinson & Dalziel] 1: 211 (1927)
= Heterotis rupicola (Gilg ex Engl.) Jacq.-Fél.; Adansonia, Sér. 2, 20(4): 419 (1981)
species :
Guyonia seretii
(De Wild.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: NE-D.R.Congo [Zaire]; W-Tanzania
23 ZAI 25 TAN
Synonyms: hidden
= Heterotis seretii (De Wild.) Jacq.-Fél.; Adansonia, Sér. 2, 20(4): 419 (1981)
= Dissotis seretii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 2: 328 (1908)
variant :
var. gracilifolia
(Wickens) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Tanzania
25 TAN
Synonyms: hidden
= Dissotis seretii var. gracilifolia Wickens; Kew Bull. 29(1): 141 (1974)
species :
Guyonia sylvestris
(Jacq.-Fél.) Ver.-Lib. & R.D.Stone; Taxon 66(3): 608 (2017)
Distribution: Guinea; Liberia
22 GUI LBR
Synonyms: hidden
= Heterotis sylvestris (Jacq.-Fél.) Jacq.-Fél.; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 16(2-4): 272 (1994 publ. 1995)
= Dissotis sylvestris Jacq.-Fél.; Bull. Mus. Natl. Hist. Nat., Sér. 2, 10: 632 (1938 publ. 1939)
species :
Guyonia tenella
Naudin; Ann. Sci. Nat., Bot., Sér. 3, 14: 150, t. 6 (1850)
Distribution: Guinea; Liberia; W-Cameroon
22 GUI LBR 23 CMN
Synonyms: hidden
= Osbeckia tenella (Naudin) Roberty; Bull. Inst. Franç. Afrique Noire, A 16: 789 (1954)
