FoI
Rusty Leaf Garjan   
Foto info
Rusty Leaf Garjan
ative Photo: Jis Sebastian
Common name: Rusty Leaf Garjan
Botanical name: Dipterocarpus retusus    Family: Dipterocarpaceae (Sal family)
Synonyms: Dipterocarpus macrocarpus, Dipterocarpus trinervis, Dipterocarpus pubescens

Rusty Leaf Garjan is a lofty tree, uo to 45 m tall. Bark is gray or brown, shallowly flaky, not longitudinally fissured or only at base. Branchlets are hairless or persistently buff velvety. Leaf buds are obtuse, stout, glabrous, setose, or woolly. Stipules are green or red, lanceshaped, up to 15 cm. Leaves are broadly elliptic or ovate, 16-28 × 10-15 cm, leathery, golden-buff velvety on the underside, initially white strigose, sometimes glabrescent, lateral veins 16-19 pairs conspicuously raised below, base rounded or somewhat heart-shaped, margin entire or sinuate-crenate in distal half, tip pointed. Flowers are borne in racemes in leaf axils, 8-10 cm, 2-5-flowered. Sepals, 2 rather long and linear, 3 shorter and triangular. Petals are cream-color, with reddish tinge, sweetly scented, narrowly elliptic, 5-6 cm, with dense squamate hairs, margin slightly reflexed, tip blunt. Stamens are 25-30; anthers linear to lanceshaped, about 5 mm, arrowshaped at base, coherent; connective appendages aristate; filaments threadlike, dilated at base. Nut is ovoid, winglike sepals red, linear-lanceshaped, up to 19-23 × 3-4 cm. Flowering: May-June.

Identification credit: Jis Sebastian
Photographed in Rainforest Research Institute, Jorhat, Assam.
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