Eucephalus Nuttall (Q4499)

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Eucephalus is a synonym of Doellingeria Nees
Language Label Description Also known as
English
Eucephalus Nuttall
Eucephalus is a synonym of Doellingeria Nees

    Statements

    taxon/id/Eucephalus Nuttall
    0 references
    taxon synonym
    Aster (English)
    North America
    Stems ascending or erect, simple, glabrate, puberulent, pilose, cottony, or woolly, eglandular or glandular.
    sessile (proximal withering by flowering; proximalmost reduced, scalelike);
    blades (1-nerved) ovate, elliptic, oblong, lanceolate, or linear (± uniform in size), margins entire, faces glabrate, scabrous, cottony, or woolly, eglandular or stipitate-glandular.
    Heads radiate or discoid, usually in open, racemiform, paniculiform, or corymbiform arrays, sometimes borne singly.
    Involucres turbinate-cylindric, turbinate, turbinate-obconic, or campanulate, 10–25 mm diam.
    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;
    apices acute to obtuse, green, usually puberulent, tomentose, and/or stipitate-glandular, sometimes glabrous.
    Receptacles ± flat, pitted, epaleate.
    Ray-florets 0–21 (usually 5, 8, or 13), pistillate, fertile;
    corollas violet-purple, purple, pink, or white.
    Disc-florets 10–35, bisexual, fertile;
    corollas yellow, ± ampliate, tubes shorter than funnelform throats, lobes 5, erect or reflexed, triangular;
    style-branch appendages lanceolate.
    Cypselae ± obconic, flattened, laterally 1–2-ribbed, sometimes with 1–2 additional nerves on each face, glabrous, pilose, or strigose, eglandular;
    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).