Silphium terebinthinaceum Jacquin (Q2801)

From Canadian Flora Commons
Jump to navigation Jump to search
Silphium terebinthinaceum is a taxon with the rank species within the genus Silphium
Language Label Description Also known as
English
Silphium terebinthinaceum Jacquin
Silphium terebinthinaceum is a taxon with the rank species within the genus Silphium

    Statements

    taxon/id/Silphium terebinthinaceum Jacquin
    0 references
    Silphium terebinthinaceum Jacquin
    Silphium terebinthinaceum
    Jacquin
    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
    Silphium terebinthinaceum
    prairie rosinweed (English)
    prairie dock (English)
    silphe térébenthine (French)
    Prairie-dock (English)
    Stems terete, glabrous.
    Leaves: basal persistent, petiolate;
    cauline alternate, petiolate or sessile;
    blades cordate, deltate, lanceolate, ovate, or sagittate, 3–40 × 1–40 cm, sometimes (proximal) pinnately lobed, bases attenuate, cordate, hastate, round, or truncate, ultimate margins coarsely toothed or entire, apices acuminate, acute, or obtuse, faces glabrous or scabrous.
    Phyllaries 23–33 in 2–3 series, outer appressed, apices obtuse to acute, abaxial faces glabrous.
    Ray-florets 17–29;
    Disc-florets 120–140;
    Cypselae 7–13 × 4–10 mm;
    pappi 0–1 mm.