Crepis vesicaria Linnaeus (Q3093)

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Crepis vesicaria is a taxon with the rank species within the genus Crepis
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English
Crepis vesicaria Linnaeus
Crepis vesicaria is a taxon with the rank species within the genus Crepis

    Statements

    taxon/id/Crepis vesicaria Linnaeus
    0 references
    Crepis vesicaria Linnaeus
    Crepis vesicaria
    Linnaeus
    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
    beaked hawksbeard (English)
    weedy hawksbeard (English)
    crépide à vésicules (French)
    crépis à vésicules (French)
    Beaked or weedy hawksbeard (English)
    Flowering Feb–Oct.
    sandy clearings
    hillsides
    Stems 1, erect to arcuate or decumbent (green or purple proximally), usually much branched, glabrate to hispid and/or tomentose, sometimes sparsely setose (setae black).
    petiolate (bases clasping);
    blades oblanceolate to ovate, often runcinate, 10–35 × 2–8 cm, margins pinnately lobed to toothed (terminal lobes relatively large), apices obtuse or acute, faces usually hirsute (hairs sometimes only on veins) or glabrous (cauline sessile, bases auriculate, clasping, margins ± toothed).
    Heads 10–20, in lax, corymbiform arrays.
    Calyculi of 5–12, ovate to linear-lanceolate, glabrous bractlets 3–4 mm (reflexed in fruit, scarious).
    Involucres cylindro-campanulate (becoming turbinate or urceolate in fruit), 5–14 × 5–6 mm.
    Phyllaries 7–16, (reflexed at maturity) lanceolate, 10–12 mm, (margins green to yellowish), apices obtuse or acute (ciliate), abaxial faces tomentose and often stipitate-glandular, adaxial with fine, appressed hairs.
    corollas yellow (reddish abaxially), 6–15 mm.
    Cypselae (monomorphic or dimorphic) pale-brown or yellowish, fusiform, 4–9 mm, outer wider with apices attenuate (not beaked), inner gradually tapered, beaked (beaks 2–5 mm, ± equal to bodies), ribs 10 (narrow);
    pappi white (fine, soft), 3–6 mm. 2n = 8, 16.