Canadanthus G. L. Nesom (Q2152)
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Canadanthus is a taxon with the rank genus within the tribe Astereae
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English |
Canadanthus G. L. Nesom
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Canadanthus is a taxon with the rank genus within the tribe Astereae
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Statements
taxon/id/Canadanthus G.L. Nesom
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Canadanthus G.L. Nesom
Canadanthus
G.L. Nesom
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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Stems ascending to erect, simple, ± densely villous, stipitate-glandular distally.
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blades 1-nerved, elliptic-lanceolate or oblanceolate to (sometimes narrowly) oblanceolate or lanceolate, margins entire to serrate, abaxial faces glabrate to ± strigose, adaxial sparsely villous, (distal) stipitate-glandular.
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Heads radiate, usually in leafy, irregularly flat-topped, paniculiform to corymbiform arrays, sometimes borne singly.
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Involucres cylindro-campanulate, {(5–) 7–10 ×} 12–16 mm.
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Phyllaries 26–60+ in 3–5 series, 1-nerved (flat), lanceolate, subequal, outer ± foliaceous, inner herbaceous, bases not indurate, abaxial faces stipitate-glandular.
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Receptacles flat, pitted, epaleate.
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Ray-florets 20–65 in 1 series, pistillate, fertile;
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corollas pale to dark purple or rose (coiling).
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Disc-florets 40–65, bisexual, fertile;
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corollas whitish to pale-yellow, turning purple, lobes sometimes purplish-tinged, ± ampliate, tubes shorter than tubular throats, lobes 5, erect, triangular;
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style-branch appendages narrowly triangular (hairy).
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Cypselae obconic-fusiform, compressed, 4–9-nerved, faces sparsely strigose, eglandular;
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pappi of 20–35+ cinnamon, equal, barbellate, attenuate bristles in 1 series.
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villous
more or less densely
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stipitate-glandular
distally
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oblanceolate
oblanceolate or lanceolate
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glabrate
more or less strigose
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