E-Flora BC: Electronic Atlas of the Flora of British Columbia

Agrimonia gryposepala Wallr.
common agrimony (tall hairy agrimony)
Rosaceae (Rose family)

Introduction to Vascular Plants

© RĂ©al Sarrazin  Email the photographer   (Photo ID #26661)

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Distribution of Agrimonia gryposepala
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Species Information

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Perennial herb from a stout rhizome with fibrous roots; stems coarse, stiff, erect, 0.5-1.2 m tall, sometimes forked above, glandular and long-hairy.
Alternate, interruptedly odd-pinnately compound, the 5 to 11 main leaflets interspersed with much smaller ones; leaflets elliptic to egg-shaped, 2-10 cm long, coarsely saw-toothed, tapering to sharp tip, dark green and nearly smooth above, paler, soft-hairy on the veins and glandular-dotted beneath; stipules leaf-like, half-heart-shaped, to 2 cm long.
Inflorescence a long, slender, terminal, spike-like raceme of 10 to 50 small, short-stalked flowers, the racemes 10-40 cm long, the axis glandular and with long spreading hairs; corollas yellow, saucer-shaped, the petals 5, oblong, 2-4 mm long; calyces 5-lobed, the lobes broadly lanceolate, spreading then converging after flowering and forming a beak on the fruit, the hypanthium conic, grooved, hooked-prickly; ovaries superior; stamens 5 to 15.
Achenes, 2, seed-like, enclosed within the enlarged hardened hypanthium, the hypanthium grooved, glandular-dotted, with a crown of spreading, hooked bristles; entire bur-like fruit including the beak 6-8 mm long.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Fruit/Seed characteristics:
Colour: Brown
Present from Summer to Fall
Source:  The USDA

Habitat / Range

Mesic to moist edges of forests and thickets in the lowland to montane zones; infrequent in S BC; E to NF and S to CA, MO and NC.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Agrimonia gryposepala

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 557 557 557
Slope Gradient (%) 1 1 1
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 6
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ICH(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References