Trees, evergreen, 5-20 m tall. Branches reddish brown when dry, often pilosulose. Leaflets 2-4 pairs; petiolules 5-8 mm; blades oblong or oblong-lanceolate, 6-18 × 2.5-7.5 cm, thinly leathery, glaucous, pilose abaxially, lateral veins 10-15 pairs, straight, nearly parallel, base slightly obtuse to broadly cuneate, margin entire, apex acute. Inflorescences and flowers similar to N. chryseum. Fruit reddish yellow, ellipsoid, including spines ca. 3 × 2 cm, spines 3.5-5 mm.