Dipterocarpus concavus
Content
Description
Large buttressed tree.
Twig, leaf bud, stipule outside, petiole, midrib above and inflorescence densely shortly yellow-brown tufted tomentose, leaf undersurface and nervation above more sparsely so, flower calyx and ovary densely yellow-brown puberulent, fruit calyx glabrescent.
Leaves 10-23 by 6-17 cm, broadly elliptic, ± chartaceous, ± prominently concave beneath;
Inflorescence to 6 cm long, axillary, unbranched, bearing to 3 flowers.
Stamens 25;
Fruit subsessile;