Tripleurospermum maritimum (Linnaeus) W. D. J. Koch (Q2123)

From Canadian Flora Commons
Jump to navigation Jump to search
Tripleurospermum maritimum is a taxon with the rank species within the genus Tripleurospermum
Language Label Description Also known as
English
Tripleurospermum maritimum (Linnaeus) W. D. J. Koch
Tripleurospermum maritimum is a taxon with the rank species within the genus Tripleurospermum

    Statements

    taxon/id/Tripleurospermum maritimum (Linnaeus) W.D.J. Koch
    0 references
    Tripleurospermum maritimum (Linnaeus) W.D.J. Koch
    Tripleurospermum maritimum
    (Linnaeus) W.D.J. Koch
    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
    Tripleurospermum maritimum
    seaside chamomile (English)
    false chamomile (English)
    false mayweed (English)
    matricaire maritime (French)
    False mayweed (English)
    Eurasia
    Stems 1–5+, usually procumbent, sometimes ascending (± erect), branched distally, glabrous or sparsely hairy.
    Leaf-blades 2–8 cm, ultimate lobes ± cylindric, 4–20 mm, ± fleshy, apices obtuse or mucronate.
    Heads (3–) 10–50 in corymbiform arrays or borne singly.
    Phyllaries centrally dark greenish or brownish, oblong to narrowly triangular or broadly triangular, unequal, scarious margins pale to dark-brown or blackish brown, 0.2–1 mm wide.
    Ray-florets 10–34+;
    corollas 10–16 [–20] mm.
    Disc corollas ca. 2.5 mm.
    Cypselae pale to dark blackish brown, ribs ± contiguous or separated by less than 1/4 their widths (1–2 supernumerary ribs sometimes present), abaxial-apical resin-glands elongate (lengths 2+ times widths), abaxial faces transversely rugose, minutely roughened on faces and between ribs.