Alchemilla Linnaeus (Q3901)
Alchemilla is a taxon with the rank genus within the tribe Potentilleae
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Alchemilla Linnaeus
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Alchemilla is a taxon with the rank genus within the tribe Potentilleae
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Statements
taxon/id/Alchemilla Linnaeus
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Alchemilla Linnaeus
Alchemilla
Linnaeus
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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rhizomatous, often forming woody stock.
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Stems 1–6 (–10), decumbent to ascending or erect, usually pubescent or puberulent, rarely glabrous.
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Leaves not persistent, basal in rosette, alternate, usually simple, sometimes palmately compound;
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stipules persistent, adnate to petiole, proximally connate opposite petiole (abpetiolar fusion), semiorbiculate to ovate, margins lobed or dentate;
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blade (of simple leaves) reniform to orbiculate, sometimes reniform-orbiculate, 1–15 × 1.5–15 cm, usually palmately 7–9 (–11) -lobed, sometimes palmately compound with 5–7 leaflets, margins flat or undulate, crenate to dentate, venation palmate, that of lobes or leaflets pinnate, surfaces usually pubescent or glabrous, sometimes sericeous;
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cauline: stipules relatively large, variously colored, becoming brownish at maturity or on drying, toothed or lobed, petiole shorter, lobes 3–7 (–11), often shallow.
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Inflorescences terminal, multiflowered, cymes, much-branched;
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flowers ± aggregated into clusters of 5–15, glabrous or densely pubescent;
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bracts usually absent;
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bracteoles absent.
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Pedicels present.
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Flowers 2–4 mm diam.;
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epicalyx bractlets 4;
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hypanthium urceolate, 1.5–2.5 mm, glabrous or sparsely to densely pubescent;
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sepals 4, usually erect to spreading, rarely reflexed (A. glomerulans), ovate, glabrous or pubescent;
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stamens 4, inserted outside nectar-secreting receptacular disc almost closing hypanthium, alternating with sepals, anthers often poorly developed;
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carpel 1 (rarely, A. filicaulis, lowermost flower in a monochasium with 2), styles basal, stigmas capitate, ± exserted from hypanthia;
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Fruits achenes, 1, ovoid, 2–2.5 mm, smooth;
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hypanthium persistent;
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sepals persistent, spreading or erect;
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decumbent
ascending or erect
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reniform-orbiculate
sometimes
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7-9(-11)-lobed
usually palmately
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glabrous or
sparsely densely pubescent
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