Difference between revisions of "Cyclachaena Fresenius (Q2732)"
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Latest revision as of 12:53, 24 June 2022
Cyclachaena is a taxon with the rank genus within the tribe Heliantheae
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Cyclachaena Fresenius
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Cyclachaena is a taxon with the rank genus within the tribe Heliantheae
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Statements
taxon/id/Cyclachaena Fresenius
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Cyclachaena Fresenius
Cyclachaena
Fresenius
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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Stems erect, strictly, if at all, branched.
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blades (3–5-nerved) ± deltate, ovate, or rhombic (proximal 1–3 pairs, often 3–5-lobed), margins usually toothed, faces densely to sparsely scabrellous to strigillose (abaxial often canescent), both usually glanddotted.
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Heads ± disciform, in (± ebracteate) paniculiform arrays.
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Involucres turbinate to hemispheric, 3–5+ mm diam.
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Phyllaries persistent, 10–12+ in 2+ series, distinct, outer 5 herbaceous, inner scarious to membranous.
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Receptacles convex to conic;
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paleae spatulate to linear, ± membranous, sometimes 0.
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Pistillate florets 5;
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corollas whitish, tubular, or 0.
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Functionally staminate florets 5–10 (–20+);
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corollas whitish, funnelform, lobes 5, erect (filaments connate, anthers distinct).
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Cypselae plumply obovoid to obcompressed, finely striate, sparsely strigillose or hispidulous distally, little, if at all, glanddotted;
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scabrellous
densely to sparsely
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