Vernonia missurica Rafinesque (Q3228)

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Vernonia missurica is a taxon with the rank species within the genus Vernonia
Language Label Description Also known as
English
Vernonia missurica Rafinesque
Vernonia missurica is a taxon with the rank species within the genus Vernonia

    Statements

    taxon/id/Vernonia missurica Rafinesque
    0 references
    Vernonia missurica Rafinesque
    Vernonia missurica
    Rafinesque
    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
    Missouri ironweed (English)
    vernonie du Missouri (French)
    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 Jul–Sep.
    Plants 6–12 (–20+) dm.
    Leaves mostly cauline;
    blades elliptic to lanceovate or lanceolate, 6–16 (–20+) cm × 18–48+ mm, l/w = 2.5–4 (–6+), abaxially usually puberulent to tomentose or pannose (hairs ± erect, ± curled), seldom glabrate, resin-gland-dotted, adaxially scabrellous, glabrescent, not resin-gland-dotted.
    Heads in corymbiform-scorpioid arrays.
    Peduncles 3–35 mm.
    Involucres broadly campanulate to urceolate, (6–) 7–10+ × 5–9+ mm.
    Phyllaries 50–70+ in 6–7 series, sparsely scabrellous, glabrescent (seldom resin-gland-dotted), margins ciliolate, the outer lanceolate, 1–2 mm, inner linear-oblong to oblong, 6–7 (–9+) mm, tips acute or rounded-apiculate.
    pappi stramineous to whitish, outer scales 25–30, 0.5–1.1 mm, contrasting with 35–40+, 6–8+ mm inner bristles.