Hieracium venosum Linnaeus (Q3108)

From Canadian Flora Commons
Revision as of 11:33, 23 June 2022 by WikibaseAdmin (talk | contribs) (‎Changed an Item)
Jump to navigation Jump to search
Hieracium venosum is a taxon with the rank species within the genus Hieracium
Language Label Description Also known as
English
Hieracium venosum Linnaeus
Hieracium venosum is a taxon with the rank species within the genus Hieracium

    Statements

    taxon/id/Hieracium venosum Linnaeus
    0 references
    Hieracium venosum Linnaeus
    Hieracium venosum
    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
    épervière veinée (French)
    rattlesnake hawkweed (English)
    veiny-leaved hawkweed (English)
    rattlesnakeweed (English)
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    Flowering (Apr–)May–Jul(–Sep).
    openings
    forests
    sandy hillsides
    Stems proximally piloso-hirsute (hairs 1–3+ mm) to glabrate, distally usually glabrous, rarely piloso-hirsute.
    Leaves: basal 3–6+, cauline 0–1+;
    blades obovate or elliptic to oblanceolate, 40–60 (–120) × 15–35 (–50+) mm, lengths 2–3 (–4) times widths, bases cuneate, margins usually entire, sometimes denticulate, apices rounded to acute, abaxial faces piloso-hirsute (hairs 2–5 mm) and stellate-pubescent, adaxial glabrous or piloso-hirsute (mostly near margins, hairs 2–3 mm).
    Heads 4–10 (–20+) in corymbiform to paniculiform arrays.
    Peduncles usually stipitate-glandular, rarely glabrous or glabrate.
    Calyculi: bractlets 6–10+.
    Involucres obconic to campanulate, 7–9 mm.
    Phyllaries 12–13+, apices acute, abaxial faces usually stellate-pubescent and stipitate-glandular, rarely glabrous.
    corollas yellow (sometimes pale), 7–11 mm.
    Cypselae (usually black, sometimes redbrown) columnar, 3–4 mm;
    pappi of ca. 50+, stramineous bristles in ± 2 series, 4–5 mm.