Hieracium caespitosum Dumortier (Q5849)

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Hieracium caespitosum is a synonym of Pilosella caespitosa (Dumortier) P.D. Sell & C. West
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Hieracium caespitosum Dumortier
Hieracium caespitosum is a synonym of Pilosella caespitosa (Dumortier) P.D. Sell & C. West

    Statements

    taxon/id/Hieracium caespitosum Dumortier
    0 references
    taxon synonym
    Hieracium caespitosum
    Flowering May–Jul(–Aug).
    10–300(–1500) m
    Europe
    Plants 20–75 cm.
    Stems proximally piloso-hirsute (hairs 1–3+ mm) and stipitate-glandular, sometimes stellate-pubescent as well, distally piloso-hirsute (hairs 1–4+ mm), stellate-pubescent, and stipitate-glandular.
    Leaves: basal 3–8+, cauline 0–2 (–5+);
    blades oblanceolate to lanceolate, 35–120 (–180+) × 12–20+ mm, lengths 2–6 (–10+) times widths, bases cuneate, margins entire or denticulate, apices rounded to acute, faces usually piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, sometimes glabrate.
    Heads 5–25+ in ± umbelliform or congested, corymbiform arrays.
    Peduncles piloso-hirsute (hairs 1–2.5 mm), stellate-pubescent, and stipitate-glandular.
    Calyculi: bractlets 5–8+.
    Involucres campanulate, 7.5–9 mm.
    Phyllaries 12–18+, apices acute to acuminate, abaxial faces piloso-hirsute (hairs 1–2.5+), stellate-pubescent, and stipitate-glandular.
    corollas yellow, 8–12+ mm.
    Cypselae columnar, 1.5–1.8 mm;
    pappi of 25–30+, white bristles in 1 series, 4–5 (–6) mm.