An annotated checklist of the tree species of French Guiana, including vernacular nomenclature Author Molino, Jean-François Author Sabatier, Daniel Author Grenand, Pierre Author Engel, Julien Author Frame, Dawn Author Delprete, Piero G. Author Fleury, Marie Author Odonne, Guillaume Author Davy, Damien Author Lucas, Eve J. Author Martin, Claire A. text Adansonia 2022 3 2022-12-13 44 26 345 903 journal article 10.5252/adansonia2022v44a26 1639-4798 7458777 [109] Geissospermum sericeum Miers Apocyn. S. Am. : 86 [May-June 1878] ( Miers 1878 ). Geissospermum fuscum Markgr., Acta Bot. Venez. 13 (1-4): 353 (Markgraf 1978). NOTE. — Hyperdominant in Amazonia ( ter Steege et al. 2020 ) . VERNACULAR NAMES. — Ka: wɨpɨtano ityumban wewe • Wn: wataki • Nt: bita udu • Br: acariquara-branca, quinarana. HERBARIUM DATA ( FG ). — 12 collections at CAY . Sel. exs.: P. A. Sagot 966 , Sep. 1856 ( holo- , BM [ BM000548558 ]; iso- , B [not seen,photo F neg. 4455 ], K [ K000582549 , K000582550 ], MPU [ MPU022918 ], P [ P00646503 , P00646504 , P00646505 ], S [ S-R-2368 ]). INVENTORY DATA (FG). — 2 trees in 2 plots; Fmax <1 %; dbhinv = 29.4 cm .