Origin
The Asplenium antiquum 'Osaka', also known as the Japanese Bird's-nest Fern, originally comes from East Asia. The plant can often be found in the subtropical forests of Taiwan, where it is warm and humid. Over the years, this fern species has adapted to grow in various conditions, whether on the ground, on rocks or on trees.

Characteristics
The Asplenium antiquum 'Osaka' is an elegant, green fern that grows into a full, bush-like plant. It's an evergreen fern, meaning that the plant doesn't lose its leaves. The leaves are uniquely shaped; they are deeply incised and curl in an elegant manner towards the inside. This fern typically reaches a height of 60 to 70 cm and is distinguished by its long, glossy and curved fronds.

Care
This species requires high humidity and indirect light to grow. It's important to keep the soil of the Asplenium antiquum 'Osaka' moist, but over-watering should be avoided to prevent root rot. This plant thrives at temperatures between 16 and 24 degrees Celsius and does not require specific feeding. It is recommended to re-pot the plant every two years in the spring or autumn, using a well-draining potting soil.