PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in arid, high-sun exposure conditions
Watering
Drought-tolerant; water deeply only when top 15–20 cm of soil is completely dry
Temperature
Tolerates warm arid climates; avoid prolonged temperatures below 10°C to prevent leaf drop
Characteristics
- Leaf: Compound pinnate leaves with 3–6 pairs of glossy, oval green leaflets
- Flower: Fragrant pale white to creamy yellow pea-like flowers in axillary racemes
- Stem/Bark: Mature bark is dark brown to black; seasoned heartwood is jet-black and extremely dense
Care Guide
Watering
Water deeply every 7–10 days during active growth
Fertilization
Apply diluted balanced organic fertilizer once monthly. Avoid high-nitrogen fertilizers to prioritize wood density
Eggshell powder top-dress：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the tree base; water lightly to release nutrients without causing soil compactionPruning
- Remove dead, damaged, or crossing branches in late winter to improve airflow
- Thin crowded lower stems to maintain an upright growth form
- Avoid heavy pruning of mature trees, as growth rate is extremely slow
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No documented toxic effects for humans
Garden Uses & Culture
Culture: Valued for its dense black heartwood, a premier material for clarinets, oboes, and fine woodcarvings
Usage: Ornamental landscape tree; high-value timber for musical instruments and luxury crafts
