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Sanguisorba Linn.


Description from Flora of China

Poterium Linnaeus.

Herbs perennial. Rootstock robust, bearing many fusiform, cylindric roots in lower part. Stipules sheathing, adnate to petiole, petiole sheathing and imbricate at base; leaf blade imparipinnate; leaflets serrate at margin. Inflorescences terminal on elongate scapes, densely capitate or spicate, bracteate and bracteolate. Flowers bisexual, rarely unisexual (when plants monoecious). Hypanthium with a constricted throat. Sepals 4(–7), imbricate, petaloid, purple, red, pink, or white, rarely greenish. Petals absent. Disk lining hypanthium. Stamens usually 4, rarely more, inserted in throat of hypanthium; filaments free, rarely partly connate; anthers didymous. Carpel 1(or 2), included in hypanthium; ovule pendulous; style terminal, filiform; stigma penicillate. Achene dry, included in hardened, muricate or winged hypanthium. Cotyledons planoconvex. x = 7.

About 30 species: Asia, Europe, North America; seven species (one endemic) in China.

(Authors: Li Chaoluan (Li Chao-luang); Hiroshi Ikeda, Hideaki Ohba)

Lower Taxon


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