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Agrimonia Linnaeus. Subfamily: Rosoideae. Tribe: Sanguisorbeae. Subtribe: Agrimoniinae. Agrimony.

Key to Agrimonia

A genus of about 10-15 species, perennial herbs, mainly north temperate.

ID notes: The compound leaves of Agrimonia consist of 3-19 major (larger) leaflets arranged in opposite pairs across the rachis of the leaf. There can be between 0-5 pairs of minor leaflets between each pair of major leaflet pair throughout the leaf rachis. This is an important designation, as some species (e.g. A. rostellata) usually lack minor leaflet pairs, or less commonly have only 1 pair, between each major leaflet pair, while other species (A. gryposepala) will typically have 1-4 pairs of minor leaflets between each major leaflet pair. These leaflet numbers can vary, and often increase distally within a leaf. Agrimonia technically do not have true basal leaves; in fact, a short section of stem (bearing leaves) is produced prior to dormancy, and appears basal, but is technically cauline (Kline and Sørensen 2014).

Ref: Kalkman In Kubitzki et al. (2004); Kline & Sørensen (2008); Kline & Sørensen (2014) In Flora of North America Editorial Committee (2014); Robertson (1974). Show full citations.

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