Pterocymbium macranthum

Kelumbuk

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Taxonomy

Common Names

KelumbukBuhoBayogKalumpang

Context

nativeRegion

Southeast Asia, including Thailand, Malaysia, Indonesia, Philippines.

usdaZones

10-12

companionPlants

Dipterocarpus spp., Shorea spp., Ficus spp.

culturalUses

Wood used in construction and as light timber; sometimes planted as a shade or street tree.

Care

LightPrefers full sun but can tolerate partial shade.

WateringRequires moderate watering; drought tolerant once established.

SoilThrives in well-drained, fertile soils; adaptable to sandy or loamy textures.

FertilizerNot demanding; apply balanced, slow-release fertilizer at beginning of rainy season if grown ornamentally.

HumidityPrefers moderate to high humidity, typical of tropical environments.

TemperatureGrows best in warm climates; sensitive to frost.

HabitDeciduous, fast-growing tropical tree.

Mature SizeCan reach 20-45 meters tall, with a broad canopy.

Growth RateFast growth under suitable conditions.

BloomingProduces clusters of creamy to yellowish flowers, typically after leaf drop in the dry season.

DormancySheds leaves during the dry season.

MethodsSeeds, Cuttings

DifficultyModerate; seeds have variable viability and may require soaking.

Best SeasonBeginning of rainy season for both seeding and cuttings.

PruningMinimal; prune dead or damaged wood to shape.

RepottingOnly necessary for young plants grown in containers.

Pests & DiseasesGenerally pest and disease resistant; occasional fungal issues in overly wet conditions.

ToxicityNot known to be toxic to humans or animals.

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