Rudbeckia laciniata Linnaeus (Q2792)

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Rudbeckia laciniata is a taxon with the rank species within the section Rudbeckia sect. Macrocline
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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 laciniƩ (French)
    cut-leaved coneflower (English)
    green-headed coneflower (English)
    tall coneflower (English)
    rudbeckie laciniƩe (French)
    Cutleaf coneflower (English)
    Leaves green, blades broadly ovate to lanceolate, all but distalmost 1ā€“2-pinnatifid or pinnately compound, leaflets/lobes 3ā€“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, 15ā€“50 Ɨ 10ā€“25 cm;
    cauline petiolate or sessile, mostly lobed to pinnatifid, sometimes not lobed, 8ā€“40 Ɨ 3ā€“20 cm.
    Heads (2ā€“25) in loose, corymbiform arrays.
    Phyllaries to 2 cm (8ā€“15, ovate to lanceolate, margins mostly ciliate, glabrous or hairy).
    Receptacles hemispheric or ovoid to globose;
    paleae 3ā€“7 mm, apices (at least of proximal) truncate or rounded, abaxial tips densely hairy.
    Ray-florets 8ā€“12;
    laminae elliptic to oblanceolate, 15ā€“50 Ɨ 4ā€“14 mm, abaxially hairy.
    Discs 9ā€“30 Ɨ 10ā€“23 mm.
    Disc-florets 150ā€“300+;
    corollas yellow to yellowish green (lobes yellow), 3.5ā€“5 mm;
    style-branches 1ā€“1.5 mm, apices acute to rounded.
    Cypselae 3ā€“4.5 mm;
    pappi coroniform or of 4 scales, to 1.5 mm.