Chandigarh Forest Flora
A Comprehensive Database of Ligneous Plants of Chandigarh (India)
Designed & Developed by Bioinformatics Centre, Forest Research Institute, Dehradun
| Family: Dipterocarpaceae | Genus: Dipterocarpus | Species: Dipterocarpus retusus Blume |
Habit |
Leaf |
Flower |
Fruit |
Bark |
|
|
| Synonym | Dipterocarpus pubescens Koord. & Valet, Dipterocarpus spanoghei Blume, Dipterocarpus trinervis Bl. | Flower Color | White |
| Common Name | Hollong | Flower Type | Raceme |
| English / Trade Name | Rusty Leaf Garjan | Flowering Period | April-June |
| Vernacular /Local Name | Hollong | Fruiting Period | July-Sept |
| Altitude | 800m - 1500m | Fruit Type | Nut |
| Habit | Tree | Fruit Details | Nut is ovoid, winglike sepals red, linear- lanceshaped. |
| Habitat | In dense forests of the plains, common on hillsides and along rivers | Bark Type | Fissured |
| Distribution | China, Vietnam, Philippines, Laos, Cambodia, Malaysia, Indonesia, Myanmar, and India. | Bark Details | Bark gray or brown, shallowly flaky, not longitudinally fissured or only at base. Branchlets hairless or persistently buff velvety. |
| Distribution in chandigarh | Chandigarh Botanical Garden and Nature Park | Origin | Native |
| Leaf Type | Simple | ||
| Leaf Arrangement | Alternate (leaves born singly along stem) | ||
| Leaf Shape | Elliptic | ||
| Description of Species | Tree up to 45 m tall. Bark gray or brown, shallowly flaky, not longitudinally fissured or only at base. Branchlets hairless or persistently buff velvety. Leaf buds obtuse, stout, glabrous, setose, or woolly. Stipules green or red, lanceshaped. Leaves broadly elliptic or ovate, leathery, golden-buff velvety on the underside, initially white strigose, sometimes glabrescent, base rounded or somewhat heart-shaped, margin entire or sinuate-crenate in distal half, tip pointed. Flowers racemes in leaf axils, calyx 2 rather long and linear, 3 shorter and triangular. Carolla cream-color, with reddish tinge, sweetly scented, narrowly elliptic, Stamens are 25-30; Anthers linear to lanceshaped, Fruit nut,ovoid, winglike sepals red, linear-lanceshaped. | Leaf Details | Leaves broadly elliptic or ovate, leathery, golden-buff velvety on the underside, initially white strigose, sometimes glabrescent, base rounded or somewhat heart- shaped, margin entire or sinuate-crenate in distal half, tip pointed. |
