"weinmannia trichosperma" grows up to 30 m (100 ft) high. it has a straight trunk up to 1 m (3 ft) in diameter and gray, fissured bark. the leaves are imparipinnate and opposite. between the leaflets there are triangular wings giving each pair a rhomboid outline. there are two deciduous stipules at the base of the leaves. the leaves are about 3–8 cm long and 2–4 cm wide, and the leaflets are 0.6–1.6 cm long and 0.6–1.0 cm wide and toothed. the foliage tends to be sparse and spread out.