Helianthus mollis Lamarck in J. Lamarck et al. (Q2758)

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Helianthus mollis is a taxon with the rank species within the genus Helianthus
Language Label Description Also known as
English
Helianthus mollis Lamarck in J. Lamarck et al.
Helianthus mollis is a taxon with the rank species within the genus Helianthus

    Statements

    taxon/id/Helianthus mollis Lamarck
    0 references
    Helianthus mollis Lamarck
    Helianthus mollis
    Lamarck
    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
    hélianthe soyeux (French)
    ashy sunflower (English)
    Ashy sunflower (English)
    1 reference
    Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
    Flowering summer–early fall.
    Stems erect, hirsute to villous.
    Leaves mostly cauline;
    blades (ashy or gray-green, 3-nerved distal to bases) lanceolate to broadly ovate, 5.5–14.5 × 1.8–6.5 cm, bases rounded to cordate, margins entire or serrulate, abaxial faces hispid to tomentose, glanddotted.
    Peduncles 0.1–15 cm.
    Involucres broadly hemispheric, 12–25 mm diam.
    Phyllaries 30–40, lanceolate, (5–) 10–16 × 2–3.5 mm, apices usually acute, sometimes acuminate, abaxial faces densely hispid to villous or tomentose, densely glanddotted.
    Paleae (oblanceolate) 9–11 mm, entire (1-toothed, densely hairy, densely glanddotted).
    Ray-florets 17–22;
    laminae 25–30 mm (abaxial faces densely glanddotted).
    Disc-florets 75+;
    corollas 6–7.5 mm, lobes yellow;
    anthers dark, appendages dark.
    Cypselae 3.5–4 mm, distally villous;
    pappi of 2 aristate scales 2.8–3.2 mm. 2n = 34.