Woodsia obtusa (Spreng.) Torr. Blunt-lobed cliff fern
Blunt-lobed cliff fern is a North American native. They tolerate temperatures as low as –35°C. Identification: Leaf stalks are scaly, with hairs. Fronds are lacy, 24" (60 cm) × 3" (8 cm), bipinnate. The sterile fronds are evergreen, while the fertile fronds are not. Fronds are light green to gray-green. Sori, the structures that contain the fern’s spores, are located on leaf undersides. They form a regular array of dots that are circular or kidney-shaped. Online References:
Woodsia obtusa at Illinois Wildflowers Woodsia obtusa on Wikimedia Commons Woodsia obtusa at the Missouri Botanical Garden Woodsia obtusa on Discover Life Woodsia obtusa on the New England Wildflower Society’s GoBotany site Woodsia obtusa on plants.ces.ncsu.edu
Woodsia obtusa description by Thomas H. Kent, last updated 25 May 2020. © FloraFinder.org. All rights reserved. |
1/19/2021 · Garden in the Woods, Framingham, Massachusetts Range: Zones 4-9:
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