noun
Blechnum amabile; a species of hard fern
A specific fern species native to Japan; primarily used in botanical and horticultural contexts.
オサシダは山地の湿った岩場に自生するシダ植物です。
Blechnum amabile is a fern that grows naturally on damp rocky slopes in mountainous areas.
The name likely derives from the shape of the fronds resembling a reed (筬, osa) used in weaving, but the exact origin is uncertain.