Tree, medium to large, up to 30 m. tall. Leaves pari-or impari-pinnate, 32-66 cm. long, the rachis lenticellate and terminated by a glandular, tomentose projec-tion in the absence of a terminal leaflet; leaflets 4-6 (-7) pairs, oblanceolate, the base cuneate to rounded, the apex broadly acute to rounded or retuse with a small, tomentose mucro, 8.5-48 cm. long, 4.5-15 cm. wide, the veins brown-tomentose, the blades scattered tomentose above and below. Inflorescences axillary, paniculate, tomentose; bracts and bracteoles persistent, tomentose. Flowers subsessile or pedi-cellate, white, aromatic, 0.7-4 mm. long, 4-merous; sepals suborbicular to ovate, tomentose or glabrate; petals dotted with 1-2 glands on the outside; staminal tube urceolate, 8-toothed, the teeth truncate-emarginate, or broadly bifid; anthers 8; disk fleshy; ovary 4-angulate, 4-celled; ovules 2 per cell. Fruit cylindrical, to 16 cm. long, 4-valved; seeds yellow-ochre, rarely brown with whitish specks.