Eucephalus Nuttall (Q4499)
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Eucephalus is a synonym of Doellingeria Nees
Language | Label | Description | Also known as |
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English |
Eucephalus Nuttall
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Eucephalus is a synonym of Doellingeria Nees
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Statements
taxon/id/Eucephalus Nuttall
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Stems ascending or erect, simple, glabrate, puberulent, pilose, cottony, or woolly, eglandular or glandular.
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sessile (proximal withering by flowering; proximalmost reduced, scalelike);
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blades (1-nerved) ovate, elliptic, oblong, lanceolate, or linear (± uniform in size), margins entire, faces glabrate, scabrous, cottony, or woolly, eglandular or stipitate-glandular.
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Heads radiate or discoid, usually in open, racemiform, paniculiform, or corymbiform arrays, sometimes borne singly.
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Involucres turbinate-cylindric, turbinate, turbinate-obconic, or campanulate, 10–25 mm diam.
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Phyllaries 20–50 in 3–6 series, ± unequal (± appressed, often reddish or purplish at margins and tips), 1-nerved (keeled), ovate, lance-oblong, lanceolate, linear-oblong, or linear, chartaceous at bases, margins sometimes hyaline, especially proximally;
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apices acute to obtuse, green, usually puberulent, tomentose, and/or stipitate-glandular, sometimes glabrous.
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Receptacles ± flat, pitted, epaleate.
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Ray-florets 0–21 (usually 5, 8, or 13), pistillate, fertile;
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corollas violet-purple, purple, pink, or white.
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Disc-florets 10–35, bisexual, fertile;
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corollas yellow, ± ampliate, tubes shorter than funnelform throats, lobes 5, erect or reflexed, triangular;
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style-branch appendages lanceolate.
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Cypselae ± obconic, flattened, laterally 1–2-ribbed, sometimes with 1–2 additional nerves on each face, glabrous, pilose, or strigose, eglandular;
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pappi persistent, of 30–50 whitish to tawny, barbellate or smooth, apically clavate or more conspicuously barbellate bristles in 2 (–3) series (outer usually 1 mm or less, sometimes 0, inner 5–10 mm).
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