Saussurea de Candolle (Q3037)

From Canadian Flora Commons
Jump to navigation Jump to search
Saussurea is a taxon with the rank genus within the tribe Cardueae
Language Label Description Also known as
English
Saussurea de Candolle
Saussurea is a taxon with the rank genus within the tribe Cardueae

    Statements

    taxon/id/Saussurea de Candolle
    0 references
    Saussurea de Candolle
    Saussurea
    de Candolle
    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
    Saw-wort (English)
    North America
    Eurasia
    1 in Australia
    herbage tomentose or glabrescent, not spiny.
    Stems erect or ascending, simple or branched.
    Leaves basal or cauline (sometimes cauline only), sessile or petiolate;
    blade margins entire or dentate to pinnately lobed, faces glabrous to densely tomentose, glandular or eglandular.
    Heads discoid, borne singly or in corymbiform arrays.
    Involucres ovoid to campanulate or ± turbinate.
    Phyllaries many in 3–5 (–10+) series, subequal to strongly unequal, appressed or not, ovate to lanceolate, margins entire, toothed, or lobed, apices obtuse or acute, appendaged or not, not spine-tipped.
    Receptacles flat or convex, epaleate, smooth, usually subulate-scaly, sometimes bristly or naked.
    Florets 10–20;
    corollas white to blue or purple, tubes slender, abruptly expanded to throats, lobes linear;
    anther bases short-tailed, apical appendages linear, acute;
    style-branches: fused portions with minutely hairy subterminal nodes, distinct portions oblong to linear, short-papillate.
    Cypselae oblong, ± angled, cylindric or 4–5-angled, ribs (when present) smooth or roughened, apices entire, glabrous or minutely glandular, attachment scars basal;
    pappi usually of 2 series, outer of readily falling, short bristles, inner persistent or falling as unit, of basally connate, usually longer, plumose bristles.
    x = 13, 14, 16, 17, 18, 19?.