Agrimonia pubescens

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Agrimonia pubescens
Agrimonia pubescens drawing.png
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Agrimonia
Species:
A. pubescens
Binomial name
Agrimonia pubescens
Wallr., 1842 [1]
Synonyms [2] [3]
  • Agrimonia bicknellii
  • Agrimonia mollis
Agrimonia pubescens blooming near Pittsburgh Agrimonia pubescens, 2014-08-04, North Park, 01.jpg
Agrimonia pubescens blooming near Pittsburgh

Agrimonia pubescens, the soft agrimony or downy agrimony, is a flowering plant in the genus Agrimonia , a member of the rose family. It grows in dry areas and woodlands. [4] [5]

Contents

Taxonomy

The species was first described by John Torrey and Asa Gray as Agrimonia eupatoria var. mollis. It was raised to a species by Nathaniel Lord Britton after the description by Karl Friedrich Wilhelm Wallroth. [6]

Description

Agrimonia pubescens is an erect perennial, growing upwards of 40 in (1,000 mm) tall. It has erect and canescent or pubescent stems. The five to thirteen leaflets are oblong and dentate, and pinnately divided once. The leaves are lanceolate, with the terminal leaflet being the largest, measuring 1.25–4 in (32–102 mm) long and 0.5–2 in (13–51 mm) wide. The leaflets increase in size as they approach the top of the compound leaf. At the base of each petiole is oval-shaped stipule with a serrated margin, measuring approximately 0.75 in (19 mm) long and 0.38 in (9.7 mm) wide. [7] The yellow flowers are borne on spike-like racemes. Each flower is 0.25–0.33 in (6.4–8.4 mm) wide with five yellow petals and five to ten stamens. The five sparsely pubescent sepals alternate with the petals. The small flowers and conical fruit have short pedicels. The seeds have hook-like projections and are clustered in a bell-like shape. [8] The glabrous calyx measures 0.08 in (2.0 mm) while fruiting. [9]

The plant flowers from July through September. [10]

Range

Agrimonia pubescens is found predominantly found in the United States, east of the Mississippi River. [2]

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References

  1. "Agrimonia pubescens". ipni.org. International Plant Names Index. Retrieved 2018-09-11.
  2. 1 2 "Downy Agrimony Agrimonia pubescens". inaturalist.org. Retrieved 3 July 2024.
  3. "Agrimonia pubescens". wildflower.org. Retrieved 3 July 2024.
  4. Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Agrimonia pubescens". Michigan Flora Online. University of Michigan Herbarium. Retrieved 2018-09-11.
  5. "Agrimonia pubescens". Go Botany. New England Wildflower Society. Retrieved 2018-09-11.
  6. New York Botanical Garden (1915). Contributions from the New York Botanical Garden. Vol. 7. The New Era Printing Company. p. 327.
  7. "Agrimonia pubescens (Downy Agrimony)". Minnesota Wildflowers. 2018. Retrieved 12 September 2018.
  8. Merel R. Black, Emmet J. Judziewicz (2009). Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide (illustrated ed.). University of Wisconsin Press. p. 165. ISBN   9780299230548.
  9. Nathaniel Lord Britton (1892). New or Noteworthy North American Phanerograms. Bulletin of the Torrey Botanical Club. Vol. 19. Torrey Botanical Club. p. 221.
  10. Robert H. Mohlenbrock (2013). Vascular Flora of Illinois: A Field Guide (Fourth ed.). SIU Press. p. 310. ISBN   9780809332090.