# Eumachia (plant)

Eumachia is a genus of flowering plant in the family Rubiaceae. Its species are native to tropical and subtropical regions worldwide. The genus was established by Augustin Pyramus de Candolle in 1830.

## Species

As of January 2023, Plants of the World Online accepted the following species:
* Eumachia abrupta (Hiern) J.H.Kirkbr.
* Eumachia acuifolia Delprete & J.H.Kirkbr.
* Eumachia agustinae (Acuña) C.M.Taylor & Razafim.
* Eumachia albert-smithii (Standl.) Delprete & J.H.Kirkbr.
* Eumachia amoena (A.C.Sm.) Barrabé, C.M.Taylor & Razafim.
* Eumachia aneityensis (Guillaumin) Barrabé, C.M.Taylor & Razafim.
* Eumachia archboldiana (Fosberg) Barrabé, C.M.Taylor & Razafim.
* Eumachia astrellantha (Wernham) Delprete & J.H.Kirkbr.
* Eumachia balabacensis (Merr.) Barrabé, C.M.Taylor & Razafim.
* Eumachia boliviana (Standl.) Delprete & J.H.Kirkbr.
* Eumachia carnea (G.Forst.) DC.
* Eumachia cephalantha (Müll.Arg.) Delprete & J.H.Kirkbr.
* Eumachia chaenotricha (DC.) C.M.Taylor & Razafim.
* Eumachia chlorocalyx (K.Schum.) Barrabé, C.M.Taylor & Razafim.
* Eumachia coffeosperma (K.Schum.) Razafim. & C.M.Taylor
* Eumachia collina (Labill.) Barrabé, C.M.Taylor & Razafim.
* Eumachia cupulicalyx (Verdc.) Razafim. & C.M.Taylor
* Eumachia cymuligera (Müll.Arg.) C.M.Taylor & Razafim.
* Eumachia damasiana (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia deinocalyx (Sandwith) Delprete & J.H.Kirkbr.
* Eumachia depauperata (Müll.Arg.) M.R.V.Barbosa & M.S.Pereira
* Eumachia domatiicola (De Wild.) Razafim. & C.M.Taylor
* Eumachia evansensis (A.C.Sm.) Barrabé, C.M.Taylor & Razafim.
* Eumachia extensa (Miq.) I.M.Turner
* Eumachia forsteriana (A.Gray) Barrabé, C.M.Taylor & Razafim.
* Eumachia frutescens (C.T.White) Barrabé, C.M.Taylor & Razafim.
* Eumachia galorei (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia geminodens (K.Schum.) Barrabé, C.M.Taylor & Razafim.
* Eumachia goodenoughiensis (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia gossweileri (Cavaco) Razafim. & C.M.Taylor
* Eumachia guianensis (Bremek.) Delprete & J.H.Kirkbr.
* Eumachia haematocarpa (Standl.) C.M.Taylor & Razafim.
* Eumachia hassleriana (Chodat) C.M.Taylor & Razafim.
* Eumachia horsfieldiana (Miq.) Barrabé, C.M.Taylor & Razafim.
* Eumachia huallagae (Standl.) C.M.Taylor & Razafim.
* Eumachia impatiens (Dwyer) C.M.Taylor & Razafim.
* Eumachia inaequifolia (Müll.Arg.) C.M.Taylor & Razafim.
* Eumachia incompta (A.C.Sm.) Barrabé, C.M.Taylor & Razafim.
* Eumachia inconspicua (C.M.Taylor) C.M.Taylor & Razafim.
* Eumachia insidens (Hiern) Razafim. & C.M.Taylor
* Eumachia kappleri (Miq.) Delprete & J.H.Kirkbr.
* Eumachia lanceifolia (Urb.) C.M.Taylor & Razafim.
* Eumachia lepiniana (Baill. ex Drake) Barrabé, C.M.Taylor & Razafim.
* Eumachia leptothyrsa (Miq.) Barrabé, C.M.Taylor & Razafim.
* Eumachia letouzeyi (Robbr.) Razafim. & C.M.Taylor
* Eumachia longistylis (Hiern) Razafim. & C.M.Taylor
* Eumachia lophoclada (Hiern) Razafim. & C.M.Taylor
* Eumachia lyciiflora (Baill.) Barrabé, C.M.Taylor & Razafim.
* Eumachia macrocarpa (Verdc.) Razafim. & C.M.Taylor
* Eumachia membranacea (Gillespie) Delprete & J.H.Kirkbr.
* Eumachia membranifolia (Bartl. ex DC.) Barrabé, C.M.Taylor & Razafim.
* Eumachia merrilliana (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia microdon (DC.) Delprete & J.H.Kirkbr.
* Eumachia monopedicellata (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia montana (Blume) I.M.Turner
* Eumachia nana (K.Krause) Delprete & J.H.Kirkbr.
* Eumachia novohiberiensis (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia nutans (Sw.) C.M.Taylor & Razafim.
* Eumachia obanensis (Wernham) Razafim. & C.M.Taylor
* Eumachia obovoidea (Verdc.) Razafim. & C.M.Taylor
* Eumachia oddonii (De Wild.) Razafim. & C.M.Taylor
* Eumachia oleoides (Baill.) Barrabé, C.M.Taylor & Razafim.
* Eumachia oncocarpa (K.Schum.) Barrabé, C.M.Taylor & Razafim.
* Eumachia ovoidea (Pierre ex Pit.) Barrabé, C.M.Taylor & Razafim.
* Eumachia pallidinervia (Steyerm.) Delprete & J.H.Kirkbr.
* Eumachia parviflora (R.D.Good) Razafim. & C.M.Taylor
* Eumachia paupertina (Standl. & Steyerm.) Delprete & J.H.Kirkbr.
* Eumachia podocephala (Müll.Arg.) Delprete & J.H.Kirkbr.
* Eumachia poggei (K.Schum.) Razafim. & C.M.Taylor
* Eumachia purariensis (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia ramisulca (Verdc.) Razafim. & C.M.Taylor
* Eumachia rostrata (Blume) I.M.Turner
* Eumachia rotundifolia (R.D.Good) Razafim. & C.M.Taylor
* Eumachia saidoriensis (Sohmer) Barrabé, C.M.Taylor & Razafim.
* Eumachia samoana (K.Schum.) Barrabé, C.M.Taylor & Razafim.
* Eumachia savaiiensis (Rech.) Barrabé, C.M.Taylor & Razafim.
* Eumachia schmielei (Warb.) Barrabé, C.M.Taylor & Razafim.
* Eumachia sciadephora (Hiern) Razafim. & C.M.Taylor
* Eumachia sclerocarpa (Whistler) Barrabé, C.M.Taylor & Razafim.
* Eumachia straminea (Hutch.) Barrabé, C.M.Taylor & Razafim.
* Eumachia trichostoma (Merr. & L.M.Perry) Barrabé, C.M.Taylor & Razafim.
* Eumachia triflora (Urb.) C.M.Taylor & Razafim.
* Eumachia vaupelii (Whistler) Barrabé, C.M.Taylor & Razafim.
* Eumachia viridicalyx (R.D.Good) Razafim. & C.M.Taylor
* Eumachia wildemaniana (T.Durand ex De Wild.) Razafim. & C.M.Taylor
* Eumachia wilhelminensis (Steyerm.) Delprete & J.H.Kirkbr.