Deparia acrostichoides (Sw.) M. Kato - Silvery Glade Fern


 

|  back  | forward |

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.

 


Home

 

 Michael Hough 2010