Dryopteris marginalis (L.) A. Gray - Marginal Woodfern


 

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Dryopteris marginalis - (image 1 of 6)

 

Taxonomy

Family: Dryopteridaceae

 

Habitat

Woods and rocky slopes.

Associates

 

Distribution

Newfoundland south to SC and GA, west to southern Ontario, MN, KS, and OK.

Morphology

Evergreen from a thick, stout, ascending to erect rhizome. Leaves firm, dark green; petiole 10-20 cm, with a tuft of slender, concolorous, pale red-brown scales at the base, and smaller, scattered scale above; blade lance-oblong, to 25 cm wide and 45 cm long, broadest just above the base, mostly glabrous with a few hair-like scales, pinnate-pinnatifid to bipinnate; pinnae 15-20 pairs, the larger with mostly 10-15 pairs of segments, the larger segments 1-2 cm, with 6-9 pairs of veins; sori submarginal, near the sinuses between the teeth.

Notes

Spores produced in June

Wetland indicator: Facultative Upland

Also called Leatherleaf Woodfern.

References

Cobb, B. 1984. A Field Guide to Ferns and Their Related Families.

Houghton Mifflin Co., New York, NY

 

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2009