Osmunda claytoniana

Osmunda claytoniana, also known as the interrupted fern, is a species of fern in the family Osmundaceae. It is native to North America and Asia, and is known for its distinctive fronds that are "interrupted" by fertile segments.

Description

The Osmunda claytoniana is a deciduous fern that grows to a height of 1-1.5 meters. The fronds are bipinnate, with the fertile segments located in the middle of the frond, giving the appearance of being "interrupted" by the sterile segments. The fertile segments turn brown and wither away as the spores mature, leaving a gap in the frond.

Distribution and habitat

The interrupted fern is found in a wide range of habitats, from wet marshes and swamps to dry upland forests. It is most commonly found in rich, moist, acidic soils. In North America, it is found from Newfoundland to Alaska, and south to Oklahoma and Georgia. In Asia, it is found in China, Japan, and Korea.

Cultivation

Osmunda claytoniana is cultivated as an ornamental plant for its attractive fronds and its adaptability to a wide range of growing conditions. It is hardy in USDA hardiness zones 3-8.

Conservation

The interrupted fern is not currently considered to be at risk of extinction. However, like all wild plants, it is vulnerable to habitat loss and degradation.

See also

• Osmunda regalis
• Osmunda cinnamomea