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Hay-scented Fern

Dennstaedtia punctilobula

Summary 4

Dennstaedtia punctilobula (Hay-scented Fern) is a species of fern native to eastern North America, from Newfoundland west to Wisconsin and Arkansas, and south in the Appalachian Mountains to northern Alabama; it is most abundant in the east of its range, with only scattered populations in the west.

Description 5

Stems long-creeping, 2--3 mm diam. Leaves clustered, erect, 0.4--1(--1.3) × 0.1--0.3 m. Petiole straw-colored to brown, darker at base, dull, ca. 1/2 length of blade, pubescent with soft, jointed hairs. Blade yellow-green or pale green, dull, lanceolate, 2-pinnate-pinnatifid, ca. 3 times as long as wide, base slightly narrowed but truncate, apex acuminate, with soft, silver-gray, jointed hairs on both surfaces. Basal segments of pinnules opposite; ultimate segments ovate to lanceolate, base equilateral, truncate, margins deeply lobed, serrate-crenate. Sori globose to almost cylindric; indusia tubular to cylindric. Spores trilete, globose with low, tuberculate, distal face and equatorial flange. 2 n = 68.

At the Garden 6

Hayscented fern can be found in the Thain Family Forest.

Sources and Credits

  1. (c) homeredwardprice, some rights reserved (CC BY), http://www.flickr.com/photos/28340342@N08/2979186350
  2. (c) Kelly Fuerstenberg, some rights reserved (CC BY-NC), uploaded by Kelly Fuerstenberg
  3. (c) Charlie Hohn, some rights reserved (CC BY), uploaded by Charlie Hohn
  4. Adapted by bkmertz from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Dennstaedtia_punctilobula
  5. (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/4927976
  6. (c) bkmertz, some rights reserved (CC BY-SA)

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