Rudbeckia laciniata Linnaeus (Q2792)

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Rudbeckia laciniata is a taxon with the rank species within the section Rudbeckia sect. Macrocline
Language Label Description Also known as
English
Rudbeckia laciniata Linnaeus
Rudbeckia laciniata is a taxon with the rank species within the section Rudbeckia sect. Macrocline

    Statements

    taxon/id/Rudbeckia laciniata Linnaeus
    0 references
    Rudbeckia laciniata Linnaeus
    Rudbeckia laciniata
    Linnaeus
    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
    rudbeckia lacinié (French)
    cut-leaved coneflower (English)
    green-headed coneflower (English)
    tall coneflower (English)
    rudbeckie laciniée (French)
    Cutleaf coneflower (English)
    Leaves green, blades broadly ovate to lanceolate, all but distalmost 1–2-pinnatifid or pinnately compound, leaflets/lobes 3–11, bases cuneate to attenuate or cordate, margins entire or dentate, apices acute to acuminate, faces glabrous or hairy (sometimes with translucent patches);
    basal (often withering before flowering) petiolate, 15–50 × 10–25 cm;
    cauline petiolate or sessile, mostly lobed to pinnatifid, sometimes not lobed, 8–40 × 3–20 cm.
    Heads (2–25) in loose, corymbiform arrays.
    Phyllaries to 2 cm (8–15, ovate to lanceolate, margins mostly ciliate, glabrous or hairy).
    Receptacles hemispheric or ovoid to globose;
    paleae 3–7 mm, apices (at least of proximal) truncate or rounded, abaxial tips densely hairy.
    Ray-florets 8–12;
    laminae elliptic to oblanceolate, 15–50 × 4–14 mm, abaxially hairy.
    Discs 9–30 × 10–23 mm.
    Disc-florets 150–300+;
    corollas yellow to yellowish green (lobes yellow), 3.5–5 mm;
    style-branches 1–1.5 mm, apices acute to rounded.
    Cypselae 3–4.5 mm;
    pappi coroniform or of 4 scales, to 1.5 mm.