Jepson eFlora: Taxon page
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Sanguisorba officinalis

Higher Taxonomy
Family: RosaceaeView DescriptionDichotomous Key

Common Name: ROSE FAMILY
Habit: Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0--3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0--5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5--many, anther pollen sacs generally 2; pistils (0)1--many, simple or compound, ovary superior to inferior, styles 1--5. Fruit: 1--many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1--5 stones. Seed: generally 1--5 (per fruit, not per flower).
Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. Note: Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera, treatment of genera by Daniel Potter, except as noted
Scientific Editor: Daniel Potter, Thomas J. Rosatti.
Genus: SanguisorbaView Description 

Habit: Perennial herb; hairs 0 or not glandular. Leaf: alternate, odd-1-pinnately compound; leaflets toothed < 1/3 to midvein. Inflorescence: spike, head-like; peduncle long; pedicel bractlets 2, subtended by 1 bract. Flower: bisexual; hypanthium urn-shaped, bractlets 0; sepals generally 4; petals 0; stamens 2--4, filaments not thread-like; pistils 1(2), ovary superior, continuous to style at top, stigma generally +- bushy, exserted. Fruit: hypanthium enclosing achene(s), 4-angled, hard. Chromosomes: 2n=28,56.
Species In Genus: 15 species: northern temperate, arctic. Etymology: (Latin: blood-absorbing, from styptic properties) Note: Other taxa in TJM (1993) moved to Poteridium, Poterium.
eFlora Treatment Author: Daniel Potter

Sanguisorba officinalis L.
Habit: Rhizome thick, creeping. Stem: erect, generally 50--140 cm. Leaf: basal present at flower, largest generally 20--40 cm; leaflets 3--6 per side, largest blade 25--50 mm, ovate-oblong, stalk 3--25 mm, teeth generally > 15. Inflorescence: generally 12--20 mm, 7--10 mm wide, +- elliptic-ovoid, > 20-flowered; peduncle 3--15 cm; bract, pedicel bractlets +- 1 mm wide. Flower: sepals 2--3.5 mm, elliptic-ovate, dark +- purple. Fruit: 2.5--3.5 mm, short-winged on 2 angles, +- winged on others; faces +- smooth.
Ecology: Bogs, streams, often serpentine; Elevation: 120--1400 m. Bioregional Distribution: c NCo, nw KR, n NCoRO; Distribution Outside California: to Alaska. Flowering Time: Jun--Sep Note: Study needed to evaluate taxonomic viability of Sanguisorba officinalis subsp. microcephala (C. Presl) Calder & Roy L. Taylor.
Synonyms: Sanguisorba muricata Presl
eFlora Treatment Author: Daniel Potter
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Sanguisorba officinalis


Citation for this treatment: Daniel Potter 2017. Sanguisorba officinalis, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 17, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on October 17, 2017.

Sanguisorba officinalis
click for enlargement
© 2008 Keir Morse
Sanguisorba officinalis
click for enlargement
© 2008 Keir Morse
Sanguisorba officinalis
click for enlargement
© 2008 Keir Morse
Sanguisorba officinalis
click for enlargement
© 2008 Keir Morse
Sanguisorba officinalis
click for enlargement
© 2008 Keir Morse

More photos of Sanguisorba officinalis in CalPhotos

Geographic subdivisions for Sanguisorba officinalis:
c NCo, nw KR, n NCoRO;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.