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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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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).
110 genera, ± 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. [Potter et al. 2007 Plant Syst Evol 266:5–43] Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis. —Scientific Editors: Daniel Potter, Thomas J. Rosatti.
Unabridged references: [Robertson 1974 J Arnold Arbor 55:303–332, 344–401, 611–662]
Key to Rosaceae
Perennial herb, nonglandular. Leaf: alternate, odd-1-pinnately compound; leaflets toothed < 1/3 to midvein. Inflorescence: spike, head-like; pedicel bractlets 2, subtended by 1 bract. Flower: bisexual or pistillate; hypanthium urn-shaped, bractlets 0; sepals generally 4; petals 0; stamens many; pistils (1)2(3), ovaries superior, continuous to style at top, stigma generally ± bushy, exserted. Fruit: hypanthium hard, 4-angled, enclosing achene(s).
13 species: Europe, Asia. (Greek: goblet or beaker)
Unabridged references: [Kerr 2004 A phylogenetic and biogeographic analysis of Sanguisorbeae (Rosaceae), with emphasis on the Pleistocene radiation of the high Andean genus Polylepis. Ph.D. Dissertation Univ of Maryland.]
Tufted, taprooted. Stem: erect, generally 20–70 cm. Leaf: basal present at flower, largest generally 4–20 cm; leaflets 4–10 per side, largest blade generally 5–20 mm, round-oblong, stalk generally 1–4 mm, teeth generally < 15. Inflorescence: 7–30 mm, 6–20 mm wide, ovoid-spheric, 5–30-flowered; peduncle 5–15 cm; bract, pedicel bractlets ± 2 mm wide. Flower: sepals 3–6 mm, elliptic, green or ± purple; filaments thread-like. Fruit: ± 5 mm; angles short-winged; faces with raised bumpy network.
Open, especially disturbed areas; 22–1830 m. California Floristic Province (except High Sierra Nevada); to eastern United States; native to Europe. [Sanguisorba minor Scop. subsp. muricata (Bonnier & Layens) Briq.] Often used in seeding mixtures after fires and in pastures. Mar–Jul [Online Interchange]
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Next taxon: Prunus
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Feb 26 2015
Citation for this treatment: [Author of taxon treatment] 2013. Poterium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91917, accessed on Feb 26 2015
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|Geographic subdivisions indicated for the distribution of Poterium sanguisorba|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(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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