Hieracium lactucella Wallroth (Q5852)

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Hieracium lactucella is a synonym of Pilosella lactucella (Wallroth) P.D. Sell & C. West
Language Label Description Also known as
English
Hieracium lactucella Wallroth
Hieracium lactucella is a synonym of Pilosella lactucella (Wallroth) P.D. Sell & C. West

    Statements

    taxon/id/Hieracium lactucella Wallroth
    0 references
    taxon synonym
    Flowering May–Jul.
    Plants 9–20 (–35+) cm.
    Stems proximally piloso-hirsute (hairs 1–2+ mm), sometimes stipitate-glandular as well, distally stellate-pubescent and stipitate-glandular (not piloso-hirsute).
    Leaves: basal 5–8+, cauline 0 (–2+);
    blades spatulate to oblanceolate, 15–40 × 5–12 mm, lengths 3–6+ times widths, bases cuneate, margins entire, apices rounded to acute, abaxial faces glabrous or piloso-hirsute (hairs 1–3+ mm), adaxial glabrous or piloso-hispid (hairs 1–3+ mm), sometimes stellate-pubescent as well.
    Heads usually 2–5+ in ± umbelliform arrays, sometimes borne singly.
    Peduncles stellate-pubescent and stipitate-glandular (not piloso-hirsute).
    Calyculi: bractlets 9–13+.
    Involucres hemispheric, 6–8 mm.
    Phyllaries 16–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute (hairs 0.8–1.5+) as well.
    corollas yellow, 8+ mm.
    Cypselae columnar, 1–2.5 mm;
    pappi of 25–40, white bristles in 1 series, 4–5 mm.