Hieracium robinsonii (Zahn) Fernald (Q3103)

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Hieracium robinsonii is a taxon with the rank species within the genus Hieracium
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English
Hieracium robinsonii (Zahn) Fernald
Hieracium robinsonii is a taxon with the rank species within the genus Hieracium

    Statements

    taxon/id/Hieracium robinsonii (Zahn) Fernald
    0 references
    Hieracium robinsonii (Zahn) Fernald
    Hieracium robinsonii
    (Zahn) Fernald
    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
    épervière de Robinson (French)
    Robinson's hawkweed (English)
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    1 reference
    Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
    Newfoundland, CA
    1 reference
    Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
    Flowering Jul–Aug.
    stream banks
    lake shores
    rock crevices
    Plants 10–35+ cm.
    Stems proximally piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, distally piloso-hirsute (hairs 0.5–1+ mm) and stellate-pubescent.
    Leaves: basal 2–4, cauline (2–) 4–10;
    blades (often purple-mottled) oblong to lanceolate, 20–80 × 7–20+ mm, lengths 3–4 times widths, bases cuneate, margins usually dentate, sometimes entire, apices acute to acuminate, abaxial faces glabrous or piloso-hirsute (especially midribs), adaxial glabrous or stellate-pubescent.
    Heads 1–5 (–10) in ± corymbiform arrays.
    Peduncles piloso-hirsute and stellate-pubescent (not, or rarely, stipitate-glandular).
    Calyculi: bractlets 10–16.
    Involucres campanulate to obconic, 10–15 mm.
    Phyllaries 25–35, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular.
    corollas yellow (lengths unknown).
    Cypselae columnar, 3–5 mm;
    pappi of ca. 30, stramineous bristles in ± 2 series, ca. 6 mm.