Doellingeria umbellata (Miller) Nees (Q2163)

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Doellingeria umbellata is a taxon with the rank species within the genus Doellingeria
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English
Doellingeria umbellata (Miller) Nees
Doellingeria umbellata is a taxon with the rank species within the genus Doellingeria

    Statements

    taxon/id/Doellingeria umbellata (Miller) Nees
    0 references
    Doellingeria umbellata (Miller) Nees
    Doellingeria umbellata
    (Miller) Nees
    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
    Doellingeria umbellata
    flat-top white aster (English)
    tall flat-top white aster (English)
    parasol whitetop (English)
    aster à ombelles (French)
    Tall flat-topped white aster (English)
    parasol whitetop (English)
    aster à ombelle (English)
    Plants 50–200 cm (short to long-rhizomatous, sometime colonial).
    Stems 1–10 (–20), ascending to erect, striate, glabrous or sparsely hairy.
    Cauline leaves: mid and distal crowded, blades broadly to narrowly elliptic, (35–) 60–110 (–150) × (5–) 13–25 (–35) mm, ± reduced distally, not stiff, bases attenuate, margins entire, involute, finely ciliate, apices acuminate, faces glabrous or sparsely hairy, especially along veins abaxially, or densely hairy.
    Heads (3–) 20–100 (–300+).
    Peduncles 1–10 mm, moderately to densely canescent;
    bracts linear-lanceolate to elliptic.
    Involucres 3–5 mm.
    Phyllaries in 3–4 series, triangular-lanceolate, midveins not swollen, apices finely subulate, strigose.
    Rays (2–) 5–10 (–16);
    laminae (4–) 7–10 (–12.3) × (0.8–) 1.2–1.8 (–2.7) mm.
    Disc-florets (5–) 11–26 (–50);
    corollas 3.5–6 mm, lobes 2–3.2 mm, 60–75% of limb.
    Cypselae 1.4–3.2 mm, 4–6-ribbed, sparsely to densely strigose;
    pappi: outer 0.2–0.8 mm, inner 3.5–6.2 mm. 2n = 18.