Dipterocarpus validus
Definition
Dipterocarpus validus is a large resin-producing dipterocarp tree endemic to the Philippines, belonging to the genus that gives the family its name — “two-winged fruits” that spin as they fall from the canopy.
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | Dipterocarpus validus |
| Wikidata | Q5280113 |
| DBpedia | N/A |
Also Known As
A member of the keruing group of Dipterocarpus timbers in regional trade usage.
Examples and Analogies
Its winged fruits descent like nature’s helicopters: two blades spinning the seed far from the parent, an adaptation that let Dipterocarpus species colonize entire landscapes — and also made their regeneration vulnerable when the mothers were all felled at once.
Usage Scenarios
- Source of keruing-type structural timber and veneer
- Tapping of oleoresin used in traditional and industrial applications
- Study species in lowland dipterocarp forest ecology
Strategies
Conservation focuses on protecting remaining lowland forest stands, limiting resin-tapping damage, and maintaining fruiting adults since seedlings need the canopy’s shelter to establish.
Security and Safety Measures
Resin accumulation makes wounded trees fire hazards in dry season; loggers face the standard dangers of felling forest giants, from hang-ups to buttress-snap.
Historical Context
The species was among the many Philippine dipterocarps described as nineteenth-century botanists catalogued the archipelago’s forests, which later became the economic heart of the timber export era.
Challenges and Controversies
Philippine lowland dipterocarp forest is among the country’s most depleted habitats, so an endemic like D. validus survives only in fragments; competing claims over residual timber stands continually test forest law enforcement.
Related Topic
Dipterocarpus grandiflorus — a widespread relative whose timber and resin uses parallel those of the Philippine species