Trichilia surinamensis (Miq.) C.DC., Monogr. Phan.

Pennington, Terence D., 2016, Systematic Treatment Of American Trichilia (Meliaceae), Phytotaxa 259 (1), pp. 18-162 : 147

81. Trichilia surinamensis (Miq.) C.DC., Monogr. Phan. 1: 679 (1878); T.D.Penn., Fl. Neotrop. 28: 147 (1981). Map 90

Moschoxylum surinamense Miq., Nat. Verh. Wet., Ser. 2, 7: 73 (1851). Type :— SURINAM fl., Hostmann 662 (holotype, U; isotypes G, GH, K, M).

For synonymy see FN 28: 147 (1981). Illustration: FN 28: 143, fig. 25 (1981).

Abbreviated Description. Indumentum of minute appressed dibrachiate hairs, leaflets5–7(–8), alternate or subopposite, 10 × 4–25 × 8 cm, usually oblanceolate, less frequently oblong or elliptic, secondary veins strongly arcuate-ascending, inflorescence (13–)19–35(–55) cm long, a pyramidal thyrse, laxly flowered, petals 3–4(–5), 2–2.5(–3) mm long, fused for 1/2–3/4 their length, valvate, remaining erect, filaments completely united in an urceolate staminal tube, anthers (4–)5–8, nectary absent, ovary 3-locular, locules with 2 collateral ovules, capsule 1.8–2.2(–3) cm long, 0.7–1 cm broad, 3-valved, ellipsoid to oblong, smooth, minutely appressed puberulous, seed 1–2 collateral in each fruit, arillode developed only at apex and along adaxial face of seed.

MAP 90. Distribution of Trichilia surinamensis (Miq.) C.DC. Solid dots, distribution pre-1981, open dots new records 1981–2010.

Distribution & Ecology. Now known from southern Venezuela, the Guianas, to Amapá, Pará and central Amazonia (Manaus). It is a species of lowland rain forest, usually on non-flooded land, but often along riverbanks. Recorded up to 1250 m elevation in Surinam.

Representative Additional Collections. GUYANA. Upper Essequibo Region, Rewa River, near Corona Falls (NW0358), Jansen-Jacobs et al. 5755 (K).

SURINAM. Tumuc-Humac Mts., Talouakem (NW0254), Acevedo-Rodríguez et al. 5810 (K).

FRENCH GUIANA. Haut Litani (NW0254), de Granville et al. 11893 (K).

BRAZIL. Amapá: Reserva INCRA, Rio Falsino (NW0151), Campbell et al. 15185 (K). Amazonas: Reserva Florestal Ducke (SW0259), de Souza & Assunção 468 (K). Pará: W bank of R. Maicurú, 23 km upstream from Lageira (SW0054), Strudwick et al. 3683 (K); Municipio Viseu, Tembe Indian Reserve (SW0146), Balée & Ribeiro 1446 (K); Itinga do Pará, Fazenda Santa Rosa (SW0447), Daly et al. 765 (K).