Trichilia schomburgkii C.DC.

Pennington, Terence D., 2016, Systematic Treatment Of American Trichilia (Meliaceae), Phytotaxa 259 (1), pp. 18-162 : 125-126

66. Trichilia schomburgkii C.DC. in A. & C.DC., Monogr. Phan. 1: 695 (1878); T. D.Penn., Fl. Neotrop. 28: 165 (1981). Type:— GUYANA, Roraima, fl., Robert Schomburgk 752 (lectotype, G-DC (designated FN 28: 169 (1981); isolectotypes, BM, F, G, K, NY, P). Maps 74–75

Abbreviated Description. Indumentum of simple appressed hairs, leaflets heteromorphic, 5–7(–12) with 2–4 pairs of greatly reduced leaflets clasping the base of the petiole, alternate to opposite, 11 × 5–22 × 8.5 cm, usually oblanceolate or oblong, inflorescence 7–25(–50) cm long, a sparsely to profusely-branched panicle, petals 4–5, 3.5–4.5(–5) mm long, free or less frequently fused for 1/2–3/4 their length, valvate, erect or reflexing, filaments completely fused into an urceolate or shortly cylindrical staminal tube, anthers (7–)8(–10), nectary absent, ovary puberulous, 3-locular, locules with 2 collateral ovules, capsule 2–3.5 cm long, 1.2–2 cm broad, ovoid or ellipsoid, seeds 1–2(–4), arillode apical and adaxial only, leaving abaxial face of seed exposed.

Key to the subspecies of Trichilia schomburgkii .

1. Leaflets 5–7(–8); reduced basal leaflets 2–3 pairs, secondary veins (9–)10–14 pairs, petals free or rarely fused near base, strongly reflexed........................................................................................................................................................... a. subsp. schomburgkii .

-. Leaflets (8–)9–12, reduced basal leaflets (3–)4 pairs, secondary veins 15–18 pairs, petals fused for ½ to 3/4 their length, remaining erect .................................................................................................................................................................... b. subsp. javariensis .