Cassia mannii Oliv.

Tree up to 15–25 m. high.. Bark dark brown.. Young branchlets glabrous to slightly pubescent.. Leaves with petiole and rhachis eglandular, the latter 15–34 cm. long. Leaflets in 5–12 pairs, petiolulate, ovate-elliptic to oblong-elliptic, (3.5–)4–7(–8) cm. long, 2–3.2(–4.5) cm. wide, acute to obtuse or obtusely acuminate at apex, not or only slightly emarginate, ± pubescent on midrib, otherwise subglabrous to puberulous, but with pubescent margins at least when young.. Racemes 3–12 cm. long.. Bracts mostly fallen before the flowers open.. Petals pink or white, about 1.5–2.5 cm. long, (0.8–)1–1.4 cm. wide.. Stamens 9–10; filaments of 2–3 lower with S-bend near base.. Pods cylindrical, 40–90 cm. long, 2–3 cm. in diameter, black, longitudinally and transversely partitioned within.. Seeds brown, obovoid, compressed, 9–10 × 6 × 3–4 mm., transversely cracked.