Dipterocarpus retusus

SPECIES

1. KingdomPlantae
2. PhylumTracheophyta
3. ClassMagnoliopsida
4. OrderMalvales
5. FamilyDipterocarpaceae

Native toAssam, Bangladesh, Cambodia, China South-Central, East Himalaya, Jawa, Laos, Lesser Sunda Is., Malaya, Myanmar, Sumatera, Thailand

Trees, lofty, to 45 m tall. Bark gray or brown, shallowly flaky, not longitudinally fissured or only at base. Branchlets glabrous or persistently buff pubescent; leaf buds obtuse, stout, glabrous, setose, or woolly. Stipules green or red, lanceolate, to 15 cm, glabrous or pubescent outside (always stellate pubescent on young trees); petiole glabrous; leaf blade broadly ovate, 16-28 × 10-15 cm, leathery, abaxially sparsely or densely golden-buff stellate pubescent, adaxially initially white strigose, sometimes glabrescent, lateral veins 16-19 pairs conspicuously raised abaxially, base rounded or somewhat cordate, margin entire or sinuate-crenate in distal half, apex acute. Racemes axillary, 8-10 cm, 2-5-flowered. Calyx segments: 2 rather long and linear, 3 shorter and triangular. Petals reddish, sweetly scented, narrowly elliptic, 5-6 cm, with dense squamate hairs, margin slightly reflexed, apex obtuse. Stamens (25-)30; anthers linear to lanceolate, ca. 5 mm, sagittate at base, coherent; connective appendages aristate; filaments filiform, dilated at base. Ovary narrowly ovoid, sericeous-tomentose, 3-loculed, with 2 ovules per locule; style finely terete, with long silky hairs on low