Lecanopteris Darnaedii

The Darnaedii Ant Fern

What Is Lecanopteris darnaedii?

Lecanopteris darnaedii is a rare tropical fern known for its thick, swollen rhizome that forms natural chambers for ants in the wild. It belongs to the Lecanopteris genus, a group of epiphytic ferns native to Southeast Asia.

In its natural habitat, ants live inside the hollow rhizome and protect the plant. In cultivation, ants are not needed, but the plant still develops its unique, textured base. This swollen rhizome gives the plant a bold and sculptural appearance.

It is not an aquatic plant and should not be submerged. Instead, it grows best mounted on wood or in very airy, well-draining media under warm and humid conditions.

Distinct and unusual, Lecanopteris darnaedii is ideal for collectors who appreciate rare ferns with natural character.

How It Grows

This fern grows from a creeping, swollen rhizome that becomes larger and more textured over time. The rhizome may develop hollow chambers naturally.

Fronds grow upward from the rhizome, creating a balanced and structured look.

Growth is slow to moderate in stable tropical environments.

The Leaves (Fronds)

The fronds are narrow and neatly divided.

• Color: bright to medium green

• Surface: smooth

• Shape: segmented and slightly elongated

The clean green fronds contrast nicely with the rugged rhizome.

Light Needs

Prefers bright, indirect light.

• Avoid strong direct sunlight

• Filtered light supports healthy growth

Low light may slow development.

Water & Growing Conditions

• Keep the medium lightly moist but not soggy

• Use very well-draining, airy substrate or mount on wood

• Requires moderate to high humidity

• Ideal temperature: 22–30°C

Good airflow is important to prevent rot.

Growing Environment

Best suited for:

• Mounted displays

• Orchid-style pots

• Greenhouses or humidity cabinets

Not suitable for aquariums or submerged setups.

Care Level

Medium care.

• Better for growers with some experience

• Sensitive to overwatering

• Slow-growing but long-lasting

Handling Note

Do not bury the rhizome deeply in soil. Keep it exposed or lightly covered to allow airflow. With stable warmth and humidity, Lecanopteris darnaedii will slowly develop a larger and more textured rhizome over time.