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

Agrimonia striata Michx.
grooved agrimony (roadside agrimony)
Rosaceae (Rose family)

Introduction to Vascular Plants

© Neil L. Jennings  Email the photographer   (Photo ID #8864)

E-Flora BC Static Map
Distribution of Agrimonia striata
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Species Information

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General:
Perennial herb from a stout rhizome with fibrous roots; stems coarse, stiff, erect, 0.5-1 m tall, sometimes forked above, with both coarse and short, mostly spreading hairs.
Leaves:
Alternate, interruptedly odd-pinnately compound, the 5 to 11 main leaflets interspersed with much smaller ones; leaflets lanceolate to narrowly egg-shaped, 1-6 cm long, coarsely saw-toothed, long-tapering to sharp tip, dark green and somewhat spreading-hairy above, paler, veiny, soft-hairy and glandular-dotted beneath; stipules leaf-like, lance-egg-shaped, to 2 cm long.
Flowers:
Inflorescence a long, slender, terminal, spike-like raceme of several small, short-stalked flowers, the racemes 5-20 cm long, the axis without glands but with short, mostly ascending hairs; corollas yellow, saucer-shaped, the petals 5, about 3 mm long; calyces 5-lobed, the lobes 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.
Fruits:
Achenes, 2, seed-like, enclosed within the enlarged hardened hypanthium, the hypanthium 10-grooved, minutely hairy in the grooves, glandular-dotted, with a crown of hooked bristles; entire bur-like fruit including the beak 4-5 mm long.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Mesic to moist meadows, thickets and open forests in the montane zone; infrequent in S BC east of the Coast-Cascade Mountains, disjunct in west-central BC (Hazelton area); E to NF and S to AZ, NE and WV.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Agrimonia striata

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

Minimum

Average

Maximum

Elevation (metres) 300 495 820
Slope Gradient (%) 0 0 1
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
6
Modal BEC Zone Class
ICH
All BEC Zones (# of stations/zone) species was recorded in: ICH(3), IDF(3)

Climate

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 montane boreal & cool temperate.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References