Tephroseris (Reichenbach) Reichenbach (Q2954)

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Tephroseris is a taxon with the rank genus within the tribe Senecioneae
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Tephroseris (Reichenbach) Reichenbach
Tephroseris is a taxon with the rank genus within the tribe Senecioneae

    Statements

    taxon/id/Tephroseris (Reichenbach) Reichenbach
    0 references
    Tephroseris (Reichenbach) Reichenbach
    Tephroseris
    (Reichenbach) Reichenbach
    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
    (Reichenbach) Reichenbach
    n North America
    centered in n Eurasia
    Stems 1 or more (loosely clustered), erect.
    petiolate (basal and proximal cauline; distal leaves usually sessile, smaller, bractlike);
    blades pinnately nerved, lanceolate, linear-oblanceolate, oblanceolate, ovate, or subrhombic (bases tapering or contracted to petioles), margins entire or dentate, denticulate, subentire, subpinnatifid, or wavy, faces usually arachnose, floccose, lanate, tomentose, or villous, sometimes unevenly glabrate.
    Heads radiate or discoid, borne singly or (2–40+) in corymbiform arrays.
    Involucres hemispheric or campanulate to turbinate, 8–12+ mm diam.
    Phyllaries persistent, usually 8, 13, or 21 in (1–) 2 series, erect, distinct (margins interlocking), lance-linear to lanceolate or oblong, equal, margins ± scarious (abaxial faces usually arachnose, floccose, lanate, tomentose, or villous, sometimes unevenly glabrate).
    Receptacles flat or ± dome-shaped (not conic), smooth, epaleate.
    Ray-florets 0 or mostly 8, 13, or 21, pistillate, fertile;
    corollas usually yellow, orange, or orange-yellow, sometimes ochroleucous or white [brick-colored, purplish] (laminae usually 5–20 mm, sometimes 1–3 mm).
    Disc-florets 30–80+, bisexual, fertile;
    corollas usually yellow, orange, or orange-yellow, sometimes ochroleucous or white [brick-colored, purplish], tubes longer than or equaling campanulate throats, lobes 5, erect or recurved, lance-linear (anther collars cylindric);
    style-branches: stigmatic areas continuous, apices rounded-truncate.
    Cypselae ± cylindric, 10-ribbed or nerved, glabrous or puberulent;
    pappi persistent, of 30–60+, white, whitish, or brownish, barbellulate bristles (equaling or slightly exceeding involucres, sometimes exceeding involucres to 10 mm in T. palustris).