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Agrimonia gryposepala

Agrimonia gryposepala Wallr.

 

Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn’s Botanical Latin)
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderRosalesRose family and eight others
FamilyRosaceaeIncludes apples, apricots, plums, cherries, peaches, pears, raspberries, strawberries, almonds, roses, meadowsweets, photinias, firethorns, rowans, and hawthorns; many others
GenusAgrimoniaFrom Greek Argemone, for plants which are healing to the eyes
SpeciesgryposepalaMeans “curved or hooked sepal”

About plant names...

Common agrimony is one of several species of agrimony that are native to North America. Agrimonia may derive from the Greek argema, an eye disease that agrimony was believed to cure; gryposepala means “Velcro fruit.” Okay, not exactly: grypo means “curved or hooked,” and sepala means “sepal.” It refers to the burr-like fruit.

Identification: Common agrimony is 12-72" (30-182 cm) in height. Stems have spreading hairs (that is, they stick out from the stem, while in A. striata, they are pressed against the stem). Leaves are grouped into pairs of opposing leaflets, varying unevenly in size along the stem. A third leaf appears at the end of most stems. Leaflets are roughly oval in shape and coarsely toothed; their undersides are mostly hairless except for a few hairs along the major leaf vein. Yellow flowers appear along a narrow raceme, often tilted or even horizontal, during June-August. Individual flowers are ¼-½" (8.4-12 mm) around, with five petals. Hairs appear along the flower stalk, but they are thinly spaced. Turban-shaped bristly fruits up to ½" (1.3 cm) in size hook like burrs onto passing animals and naturalists.

Online References:

Agrimonia gryposepala on North Carolina Wildflowers, Shrubs, & Trees, by Jeff Pippen

Agrimonia gryposepala at Minnesota Wildflowers

Agrimonia gryposepala at the U.S. Geological Survey's Northern Prairie Wildlife Research Center

Agrimonia gryposepala at the University of Wisconsin's Robert W. Freckmann Herbarium

Agrimonia gryposepala on the USDA Plants Database

References:

Newcomb, Lawrence, Morrison, Gordon (Illus.), Newcomb’s Wildflower Guide, Little, Brown and Company, 1977, p. 236

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/25/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 6 × 4½" (16 × 11 cm)

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/11/2012 · Jeff Smith Trail, Pepperell, MA
≈ 4½ × 7" (11 × 17 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/17/2010 · Mackworth Island, Falmouth, ME
≈ 7 × 4½" (17 × 11 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/17/2010 · Mackworth Island, Falmouth, ME
≈ 5 × 3½" (13 × 9.2 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/25/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 6 × 4½" (15 × 11 cm)

Agrimonia gryposepala description by Thomas H. Kent, last updated 5 Oct 2016.

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Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/11/2012 · Jeff Smith Trail, Pepperell, MA
≈ 6 × 4" (15 × 10 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/25/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 8 × 5" (19 × 12 cm)

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/25/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 8 × 5" (19 × 13 cm)

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/17/2010 · Mackworth Island, Falmouth, ME
≈ 5 × 3½" (13 × 9.2 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/25/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 8 × 5" (19 × 12 cm)

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/11/2012 · Jeff Smith Trail, Pepperell, MA
≈ 9 × 6" (23 × 15 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/17/2010 · Mackworth Island, Falmouth, ME
≈ 8 × 5" (19 × 13 cm) ID is uncertain

Agrimonia gryposepala (Common Agrimony, Tall Hairy Agrimony, Hooked Agrimony, Tall Hairy Grooveburr)

7/17/2010 · Mackworth Island, Falmouth, ME
≈ 4½ × 3" (11 × 7.9 cm) ID is uncertain

Range:

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