Description
Perennial herbs or shrubs, unarmed.
Leaves often in rosettes, imparipinnate.
Flowers in terminal spikes or heads on usually long and slender peduncles, 4-merous, bi- or unisexual.
Sepals deciduous.
Petals absent.
Stamens 2-50.
Distribution
About 20 species, North temperate
Notes
, united not only Sanguisorba L. and Poterium L. pro max. p., which is often done, but also Poteridium Spach, Dendropoterium Svent, and Marcetella Svent. The description given here is in accordance with this large circumscription.
