Leucanthemum Miller (Q2129)
Leucanthemum is a taxon with the rank genus within the subtribe Leucantheminae
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Leucanthemum Miller
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Leucanthemum is a taxon with the rank genus within the subtribe Leucantheminae
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Statements
taxon/id/Leucanthemum Miller
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Leucanthemum Miller
Leucanthemum
Miller
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
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mostly temperate Europe (some widely cultivated and sparingly adventive)
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Stems usually 1, erect, simple or branched, glabrous or hairy (hairs basifixed).
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petiolate or sessile;
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blades obovate to lanceolate or linear, often 1 [–2+] -pinnately lobed or toothed, ultimate margins dentate or entire, faces glabrous or sparsely hairy.
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Heads usually radiate, rarely discoid, borne singly or in 2s or 3s.
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Involucres hemispheric or broader, 12–35+ mm diam.
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Phyllaries persistent, 35–60+ in 3–4+ series, distinct, ovate or lanceovate to oblanceolate, unequal, margins and apices (colorless or pale to dark-brown) scarious (tips not notably dilated; abaxial faces glabrous or sparsely hairy).
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Receptacles convex, epaleate.
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Ray-florets usually 13–34+, rarely 0, pistillate, fertile;
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corollas white (drying pinkish), laminae ovate to linear.
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Disc-florets 120–200+, bisexual, fertile;
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corollas yellow, tubes ± cylindric (proximally swollen, becoming spongy in fruit), throats campanulate, lobes 5, deltate (without resin sacs).
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Cypselae ± columnar to obovoid, ribs ± 10, faces glabrous (pericarps with myxogenic cells on ribs and resin sacs between ribs; embryo-sac development monosporic);
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obovate
lanceolate or linear
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often 1[-2+]-pinnately
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