Chrysalidocarpus onilahensis
Onilahy Palm
Country Of Origin: Madagascar
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About Chrysalidocarpus onilahensis
This species is a clustering palm, with tall slender dark green, ringed stems. It is well known for its attractive, bright green, arching leaves. It features a slender, yellow-green crownshaft that provides a graceful transition from the trunk to the foliage and adds a touch of color to its upright form. The palm’s crown consists of feathery, arching pinnate leaves with slender, widely spaced leaflets that are light green in color; petioles are short and unarmed, giving the plant an airy, delicate appearance. Its inflorescences are interfoliar and branched, bearing small, creamy flowers that emerge in spreading sprays among the foliage. The fruits are small, ellipsoidal, and ripen from green to reddish-orange, often dangling in loose clusters beneath the crown.
| Climate Zone | 9b |
| Min Temp (F/C) | 25 to 30 F / -4 to -1 C |
| Leaf Type | Pinnate |
| Height | 33 Ft / 10 M |
| Growth Rate | Slow to Moderate |
| Conservation Status |
Vulnerable
|
| Crownshaft | Yes |
| Habit | Solitary |
| Soil pH | 6.0-6.9 (Near neutral) |
| Soil Type | Loamy |
Cultivation Tips
This palm thrives in a lightly shaded or dappled area of the garden where it can slowly form elegant clumps without being exposed to harsh winds.
While young plants prefer filtered shade to protect their delicate leaflets, mature specimens can gradually adapt to full sun in cooler tropical or subtropical zones with adequate moisture. It prefers well-draining, slightly acidic soil with moderate organic content—amended sandy loam or a tropical potting mix with compost works well. Water regularly to maintain consistent soil moisture, especially during warm weather, but avoid waterlogging as the roots are sensitive to rot. Feed every two to three months with a balanced palm fertilizer during the growing season to support healthy crownshaft development and steady clumping growth.
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