Ostrich Fern

Matteuccia struthiopteris

By The Cosmonaut - Own work, CC BY-SA 2.5 ca
🔗   By The Cosmonaut - Own work, CC BY-SA 2.5 ca
Ryan Hodnett, CC BY-SA 4.0 via Wikimedia Commons
🔗   Ryan Hodnett, CC BY-SA 4.0 via Wikimedia Commons
3-7
Perennial
Moist
Shrubs

Plant ID: 3987 / Created at: 2020-11-13 18:57:50 UTC / Last updated at: 2021-06-01 04:38:11 UTC by Sim

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Description

The fronds are dimorphic, with the deciduous green sterile fronds being almost vertical, 100–170 cm (39–67 in) tall and 20–35 cm (7.9–13.8 in) broad, long-tapering to the base but short-tapering to the tip, so that they resemble ostrich plumes, hence the name. The fertile fronds are shorter, 40–65 cm (16–26 in) long, brown when ripe, with highly modified and constricted leaf tissue curled over the sporangia; they develop in autumn, persist erect over the winter and release the spores in early spring. Along with Dryopteris goldieana, it is one of the largest species of fern in eastern North America.

Ostrich Fern @ Wildflower.org

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