Atuna penangiana

Primary tabs

Atuna penangiana


Trees to 20 m tall, unbuttressed, the young branch-lets glabrescent, obscurely lenticellate. Leaves thinly subcoriaceous, oblong to oblong lanceolate, 3.7-13 by 2-5.5 cm, glabrous on both surfaces, acuminate at apex, the acumen 3-10 mm, cuneate at base; Stipules lanceolate, acute, to 7 mm long, glabrous, stiff, subpersistent. Inflorescences axillary racemes 3-7 cm long, the rachis densely appressed pilose; Stamens c. 20, the filaments to 8 mm long with tooth-like staminodes opposite. Ovary pilose. Fruit (immature) ellipsoid, epicarp crustaceous, verrucose.


Asia-Tropical: Malaya (Peninsular Malaysia present), Johore present, Kelantan present, Penang present, Perak present, Trengganu present
Malesia: Malay Peninsula (Penang, Perak, Johore, Kelantan and Trengganu). .


The two species Atuna nannodes and A. penangiana are hard to separate. The larger flowers of A. nannodes seem consistent and the species generally has leaves with a much longer apex. These may be one variable species.


PRANCE & WHITM. 1973 – In: Tree Fl. Malaya: 326