An annotated checklist of the tree species of French Guiana, including vernacular nomenclature Author Molino, Jean-François AMAP, IRD, Université de Montpellier, CIRAD, CNRS, INRAE, Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier cedex 5 (France) & AMAP, IRD, Herbier de Guyane, B. P. 90165, 97323 Cayenne (French Guiana) jean-francois.molino@ird.fr Author Sabatier, Daniel AMAP, IRD, Université de Montpellier, CIRAD, CNRS, INRAE, Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier cedex 5 (France) & AMAP, IRD, Herbier de Guyane, B. P. 90165, 97323 Cayenne (French Guiana) Author Grenand, Pierre IRD, OHM Oyapock, F- 97300 Cayenne (French Guiana) Author Engel, Julien AMAP, IRD, Université de Montpellier, CIRAD, CNRS, INRAE, Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier cedex 5 (France) & AMAP, IRD, Herbier de Guyane, B. P. 90165, 97323 Cayenne (French Guiana) Author Frame, Dawn AMAP, IRD, Université de Montpellier, CIRAD, CNRS, INRAE, Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier cedex 5 (France) & AMAP, IRD, Herbier de Guyane, B. P. 90165, 97323 Cayenne (French Guiana) Author Delprete, Piero G. AMAP, IRD, Université de Montpellier, CIRAD, CNRS, INRAE, Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier cedex 5 (France) & AMAP, IRD, Herbier de Guyane, B. P. 90165, 97323 Cayenne (French Guiana) Author Fleury, Marie Patrimoines locaux, Environnement et Globalisation (PALOC), MNHN, IRD, B. P. 90165, F- 97323 Cayenne (French Guiana) Author Odonne, Guillaume LEEISA, CNRS, Université de Guyane, IFREMER, B. P. 70620, F- 97334 Cayenne (French Guiana) Author Davy, Damien LEEISA, CNRS, Université de Guyane, IFREMER, B. P. 70620, F- 97334 Cayenne (French Guiana) Author Lucas, Eve J. Royal Botanic Gardens, Kew, Richmond, Surrey (United Kingdom) Author Martin, Claire A. AMAP, IRD, Université de Montpellier, CIRAD, CNRS, INRAE, Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier cedex 5 (France) text Adansonia 2022 3 2022-12-13 44 26 345 903 journal article 10.5252/adansonia2022v44a26 1639-4798 7458777 [1544] Casearia sp. C NOTES. — This species, represented at CAY by specimens formerly identified as Casearia acuminata DC. , differs from the latter in: 1) habit (trees vs treelets/shrubs of 5 cm dbh maximum in C. acuminata ), 2) leaf pilosity (hairs on midvein on abaxial side vs glabrous), 3) leaf colour and size (brownish when dried and relatively large vs yellowish and smaller), 4) fruit pilosity (very short white hairs on the lower half of fruit vs glabrous except for a few long hairs at apex), 5) fruit colour (dull black vs shiny reddish). HERBARIUM DATA (FG). — 6 collections at CAY. Sel. exs.: D. Sabatier & M.-F. Prévost 4064 . INVENTORY DATA (FG). — 4 trees in 4 plots; Fmax <1 %; dbhinv = 22.3 cm .