Spiny oak
Castanopsis javanicafam. Fagaceae
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Pl. 337F — Castanopsis javanica
Castanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanicaCastanopsis javanica
IOverview
Overview
Spiny oak (Castanopsis javanica) is a medium-sized tree native to the tropical forests of Borneo, Jawa, Malaya, Sumatera, and Thailand. This evergreen member of the Fagaceae family thrives in moist conditions with light to partial shade, making it adaptable to various soil types including sandy, medium, and clay soils. Known for its edible seeds, spiny oak is a valuable resource in its native range. One distinctive feature sets this tree apart: its spiny twigs and branches, which provide both structural interest and a defensive mechanism against potential herbivores.
Quick answers
What is Spiny oak?
Spiny oak (Castanopsis javanica) is a medium-sized tree native to the tropical forests of Borneo, Jawa, Malaya, Sumatera, and Thailand. This evergreen member of the Fagaceae family thrives in moist conditions with light to partial shade, making it adaptable to various soil types including sandy, medium, and clay soils.
Growingconditions · propagation · uses
VCultivation
Cultivation
Spiny oak (Castanopsis javanica) thrives in full to partial sun and prefers moist soil that can be light (sandy), medium, or heavy (clay). It grows well in temperate regions with a hardiness range of 10-12. For propagation, seeds are the preferred method. This tree can reach a height of 25 meters and is native to Borneo, Jawa, Malaya, Sumatera, and Thailand.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
10-12
Mature size
25.0 m tall
For first-time growers
How to grow Spiny oak for the first time
8steps
Start with a simple, low-maintenance tree that will thrive in your garden.
- 1
What you'll need
A spiny oak sapling and well-draining soil.
- 2
Best time to plant
Plant the sapling during spring or early summer when temperatures are mild.
- 3
Soil and container prep
Ensure the soil is light, medium, or heavy with good drainage. Amend if necessary.
- 4
Sowing or transplanting
Transplant the sapling into a larger pot or directly into the garden bed.
- 5
First two weeks
Water regularly to keep the soil moist but not waterlogged. Monitor for pests and diseases.
- 6
Ongoing care
Provide full sun to partial shade, regular watering, and occasional pruning.
- 7
Harvest or pruning
Prune during late winter or early spring to maintain shape and remove dead branches.
- 8
Common mistakes
Overwatering, planting in heavy clay soil, neglecting pruning, not providing enough sunlight, and using chemical fertilizers.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: The seeds of the Spiny oak (Castanopsis javanica) are edible and can be eaten raw or roasted. They are often prepared by drying before consumption. SKIP
Contextrange · companions · related
VIIDistribution
5 native · 0 introduced
Distribution
5 native · 0 introducedDistribution across1 continent· 5 native
Asia1 region
native (1)Thailand
Broader regions
native:Borneo, Jawa, Malaya, Sumatera
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Fagaceae), common use cases, and growing requirements.
same family · Fagaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
Explore further
Companion planting
Compare with similar plants
Growing zone
XII
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Back to the cataloguePlant id · 337f6263-7570-48e6-8e13-2494cda6dac3
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