Field Marks: Agrimonias are distinguished by having small leaflet-like segments interspersed among the regular leaflets. The small-flowered agrimony is further recognized by having some leaves with 11 or more regular leaflets per leaf (excluding the tiny interspersed segments).
Habitat: Along streams, wet prairies, wet meadows, swamps, roadside ditches.
Habit: Perennial herb with tuberous rhizomes.
Stems: Erect, densely hairy with some of the hairs longer than the others, up to 3 feet tall.
Leaves: Alternate, pinnately compound, with some leaves with at least 11-19 large leaflets and several small leaflet-like segments interspersed; the larger leaflets oblanceolate, pointed at the tip, tapering to the base, coarsely toothed, hairy, up to 4 inches long, up to 1 inch broad.
Flowers: Yellow, numerous, borne in a terminal, elongated raceme, each flower up to 1/4 inch in diameter.
Sepals: 5, united, green.
Petals: 5, free from each other, yellow, up to 1/10 inch long.
Stamens: Usually 5, sometimes 6 or 7.
Pistils: Ovary superior.
Fruits: Bristly with hooked hairs, containing spherical nutlets about 1/10 inch in diameter.