Deparia acrostichoides - (image 1 of 5)
Taxonomy
Family: Dryopteridaceae
Synonymous with Athyrium thelypterioides (Michx.) Desv.
Habitat
Rich, moist woods.
Associates
Distribution
Nova Scotia and New Brunswick to Ontario and MN, south to GA, LA, and OK.
Morphology
Perennial, deciduous, from a short-creeping rhizome. Leaves to 1.1 m, the blade longer than the petiole, 13-22 cm wide, sharply acuminate, slightly reduced below, pinnate-pinnatifid, rachis septate-hairy and sparsely scaly; pinnae 15-20, to 13 mm long and 6 mm wide; veins simple or forked, directed into the teeth; indusia 3-7 pairs, light brown (silvery when young), firm, spindle-shaped.
Notes
Spores mature late summer into autumn
Wetland Indicator: Facultative
Prefers undisturbed, mesic woods.
References
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.
USDA, NRCS. 2002.
The PLANTS Database, Version 3.5 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
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Michael Hough © 2010 |