Arnoseris Gaertner (Q3065)

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Arnoseris is a taxon with the rank genus within the tribe Cichorieae
Language Label Description Also known as
English
Arnoseris Gaertner
Arnoseris is a taxon with the rank genus within the tribe Cichorieae

    Statements

    taxon/id/Arnoseris Gaertner
    0 references
    Arnoseris Gaertner
    Arnoseris
    Gaertner
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
    accepted
    Stems 1–10+ (scapiform), erect, simple or branched distally, glabrous.
    Leaves mostly basal;
    obscurely petiolate;
    blades oblanceolate to spatulate, margins dentate (faces usually scabridulous, mostly near margins).
    Heads borne singly or (2–3) in loose, corymbiform arrays.
    Peduncles inflated (fistulose) distally, not bracteate.
    Calyculi 0 or of 1–10+, lanceolate bractlets.
    Involucres broadly campanulate or urceolate, 4–8 mm diam.
    Phyllaries 10–22+ in 1 (–2) series (basally connate), lanceolate to lance-linear (abaxially keeled proximally), equal or subequal, margins little, if at all, scarious, apices acuminate.
    Receptacles flat, pitted, glabrous, epaleate.
    Florets 20–50+;
    Cypselae dark-brown, obovoid, not beaked, ribs 8–10 (3–5 stronger), stramineous, faces smooth or rugose between ribs, glabrous;