Goniothalamus

Munzinger, Jérôme, Johnson, David M. & Saunders, Richard M. K., 2023, Novitates neocaledonicae XIV: A third species of Goniothalamus (Blume) Hook. f. & Thomson from New Caledonia and lectotypification of G. obtusatus (Baill.) R. M. K. Saunders, Adansonia (3) 45 (20), pp. 327-335 : 332

KEY FOR GONIOTHALAMUS (BLUME) HOOK. F. & THOMSON SPECIES IN NEW CALEDONIA

1. Leaves with secondary veins obviously impressed, lamina consequently slightly bullate (not flat); petals redbrown; monocarps flattened elongate with lateral triangular projections as a result of constrictions between seeds; flowers borne mostly at the base of the trunk (plants cauliflorous) ........................................................ ................................................................................................ G. dumontetii R.M.K.Saunders & Munzinger

— Leaves with secondary veins plane, not or weakly impressed, lamina mostly flat; petals pale green to creamcolored; monocarps elongate, terete or ellipsoid; flowers borne on leafy branches and sometimes on the trunk (plants cauliflorous) ..................................................................................................................................... 2

2. Leaves 6.3-12 cm long, petiole 4-8 mm long, 0.7-1.5 mm in diameter, monocarps elongate, terete, 4.5-6.6 cm long, 0.7-1.1 cm in diameter, apex beaked, slightly to strongly torulose, seeds 3-8 ......................................... ........................................................................................... G. hmoope Munzinger & D.M. Johnson , sp. nov.

— Leaves 17.5-30 cm long, petiole 10-21 mm long, 2.1-3.8 mm in diameter, monocarps narrowly ellipsoid, ellipsoid, subglobose to obovoid, 2.9-5.45 cm long, 1.1-3.05 cm in diameter, obtuse, apex rounded to acute, smooth, not torulose, seeds usually (1-)2(-3) ........................................ G. obtusatus (Baill.) R.M.K. Saunders