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Merawan mata kucing hitam - Hopea dryobalanoides Miq.- Dipterocarpaceae [1]
Other names:
Merawan, Selangan Daun Kapur, Mata Kuching Hitam (Malay), Selangan Daun Kapur (Sabah), Luis Mata Kucing Hitam (Sarawak) [1]
General information:
A large tree which can reach height up to 45 m tall. Found on hillsides and ridges, but also on alluvial sites[2]
Distinguish botanical characteristics:
Leaf – alternate, simple, penni-veined, secondary veins inconspicuous, placed close together[2]
Fruit – 10 mm long, green-red, wind dispersed[2]
Flower – small buds, cream-yellow in colour with lanceolate petals [1]
Wood – yellow when freshly cut, sometimes light brown with a greenish or purplish cast, darkening on exposure to a golden or red-brown[3]
Fruit – 10 mm long, green-red, wind dispersed[2]
Flower – small buds, cream-yellow in colour with lanceolate petals [1]
Wood – yellow when freshly cut, sometimes light brown with a greenish or purplish cast, darkening on exposure to a golden or red-brown[3]
Uses:
Medicinal uses – None
Wood – Timber and resin are used. Formerly an important producer of damar mata kuching[2]
Major/bioactive phytochemicals:
Example: Tree bark – Oligostilbenoids (diptoindonesin D, parviflorol, (-)-balanocarpol, heimiol A, hopeafuran, (+)-α-viniferin, vaticanol B and (-)-hopeaphenol), Cytotoxic[4]
References:
[1] https://www.mybis.gov.my/sp/11282
[2] https://asianplant.net/Dipterocarpaceae/Hopea_dryobalanoides.htm
[3] http://tropical.theferns.info/viewtropical.php?id=Hopea+dryobalanoides
[4] Sahidin et al. (2005). Zeitschrift für Naturforschung C 60, 723-727.
SK & QUA, 2022
