Cratoxylum maingayi (Derum, Derum Bukit)
Botanical Information
| Family | Hypericaceae |
| Genus | Cratoxylum |
| Species | maingayi |
| Category | Tropicals, Woody |
| Type | Tree (deciduous), Shrub (deciduous) |
| Origin | Myanmar, Indochina, Sumatra, Peninsular Malaysia, Singapore, and Borneo. |
Details
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | Requires cool season protection under glass. |
| Canada Hardiness Ref. | |
| RHS Hardiness Ref. | |
| Height | 6 - 10 m |
Description and Growing Information
| Shape | Rounded and irregular in shape. |
| Landscape | It is suitable for parks and streetscapes for its small stature, ornamental pink blossoms and reddish new leaves. |
| Propagation | By seed. |
| Cultivation | Grows best in a neutral or acid soil that is humus-rich, moist and free-draining in semi-shaded or full sun areas. |
| Notable Specimens | Royal Park Rajapruek, Mae Hia, Thailand. |
| Habitat | It grows on lowland limestone substrates. |
| Leaf Description | Opposite, stalked leaves have leathery leaf blades that are broadly oval, pointed, and 1.5 – 5.5 by 0.8 – 3 cm. |
| Flower Description | Arranged on opposite leaf axils with pale pink or white petals. |
| Fruit Description | Capsule, 6 – 15 by 3 – 5.5 mm, and covered for nearly half of its length by the sepals. |
Photographs
Cratoxylum maingayi, form, Royal Park Rajapruek, Mae Hia, Thailand.
Cratoxylum maingayi, flower, Royal Park Rajapruek, Mae Hia, Thailand.
Cratoxylum maingayi, bark, Royal Park Rajapruek, Mae Hia, Thailand.