Leucanthemella Tzvelev in V. L. Komarov et al. (Q2088)
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Leucanthemella is a taxon with the rank genus within the subtribe Artemisiinae
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English |
Leucanthemella Tzvelev in V. L. Komarov et al.
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Leucanthemella is a taxon with the rank genus within the subtribe Artemisiinae
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Statements
taxon/id/Leucanthemella Tzvelev
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Leucanthemella Tzvelev
Leucanthemella
Tzvelev
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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Stems usually 1, erect, usually branched distally, ± hairy (hairs basi or medifixed).
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blades oblong to lanceolate [pinnate] (bases sometimes ± clasping), margins often with 2–4 lobes proximally, serrate distally, faces hairy or glabrous, gland-dotted.
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Heads radiate, borne singly or in 2s or 3s.
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Involucres hemispheric or broader, 12–25+ mm diam.
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Phyllaries persistent, 30–50+ in 2–3+ series, distinct, ovate or obovate to oblanceolate (not keeled abaxially), margins and apices scarious (tips not notably dilated).
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Receptacles convex, epaleate.
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Ray-florets 21–34+, styliferous and sterile;
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corollas usually white, sometimes reddish, laminae ± ovate to linear.
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Disc-florets 100–150+, bisexual, fertile;
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corollas usually yellow, sometimes reddish, tubes ± cylindric (± gland-dotted), throats campanulate, lobes 5, deltate (without resin sacs).
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Cypselae ± columnar, ribs 7–12, faces probably glabrous (pericarps without myxogenic cells or resin sacs);
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