3. Hydrochorea gonggrijpii (Kleinhoonte) Barneby & J.W. Grimes, Mem. New York Bot. Gard. 74 (1): 25. 1996.

Figs 2A, 5

Basionym.

Pithecellobium [as Pithecolobium] Hydrochorea gonggrijpii Kleinhoonte Recueil Trav. Bot. Néerl . 22: 414. 1926.

Type material.

Suriname, im Reservat der Zanderij I, die nummerierten Baume n. 102 (Herb. [Acad.Rhenotraiect.J n. 1529, im Dez. 1915, und n. 4350bl. im Juli 1919) und n. 141 (Herb. n. 4357, bl. Im Juli 1919.)" 141, 10/VII/1919", Forest Bureau 4357 (lectotype, designated here from amongst the syntypes: IAN [IAN49436]!; isolectotypes: A [A00064017] digital image!, BR [BR0000005170067] digital image!, K [K000527996]!, K [K000527995]!, MO [MO954361] digital image!, NY [NY00334660] digital image!, NY [NY00334661] digital image!, NY [NY00334662] digital image!, P [P01818508] digital image!, U [U U0003385] digital image!, U [U0003384] digital image!, US [US00629380] digital image!).

Distribution and habitat.

Brazil, Colombia, Guyana, French Guiana, Suriname, Venezuela. Hydrochorea gonggrijpii occurs along riverbanks, gallery forest margins, and low-lying swamp forests, at 40-1400 m elevation (Barneby and Grimes 1996).

Notes.

In the nomenclatural treatment of H. gonggrijpii Barneby and Grimes (1996: p. 25) maintained the specimens "Surinam: im Reservat der Zanderij I, die nummerierten Baume n. 102 (Herb. [Acad. Rhenotraiect. J n. 1529, im Dec. 1915, und n. 4350 bl. im Juli 1919) und n. 141 (Herb. n. 4357, bl. im Juli 1919.)" as syntypes. In the present work, the specimen Forest Bureau 4357 (IAN49436) is designated as lectotype (Art. 9.3, Turland et al. 2018).

Selected specimens examined.

Brazil, Amazonas: Presidente Figueiredo, Cachoeira do boto, 21 September 2007, Carvalho-Sobrinho et al 1632 (RB) . Colombia, Vaupés: Mitú and vicinity, lower RioKubiyu, along river, 26 September 1976, J.L. Zarucchi s.n. (K) . Suriname. Plantas de Tafelberg ( Table Mountain), 10 August 1944, Maguire 24273 (RB) . Venezuela, Bolivar: Distrito Piar, gallery forest bordering savana, vicinity of Guadequen (Buadequen), RioAcanan (affluent of Rio Carrao), Cerros Los Hermanos, 20 May 1986, Lat 5°26'N, Long 62°17'W, alt 470 meters, J.A. Steyermark et al. 131865 (NY) .