Cota J. Gay ex Gussone (Q2126)

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Cota is a taxon with the rank genus within the subtribe Anthemidinae
Language Label Description Also known as
English
Cota J. Gay ex Gussone
Cota is a taxon with the rank genus within the subtribe Anthemidinae

    Statements

    taxon/id/Cota J. Gay ex Gussone
    0 references
    Cota J. Gay ex Gussone
    Cota
    J. Gay ex Gussone
    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
    Stems 1–5+, ascending to erect, not much branched, ± villous to sericeous (hairs usually medifixed, rarely basifixed) [glabrescent, glabrate].
    petiolate or sessile;
    blades obovate to oblanceolate or spatulate, (1–) 2 (–3) -pinnately [-subpalmately] lobed (primary lobes often pectinately divided), ultimate margins serrate or entire, faces ± villous to sericeous [glabrescent, glabrate].
    Heads radiate [discoid], borne singly or in lax, corymbiform arrays (peduncles sometimes distally dilated).
    Involucres hemispheric or broader [obconic], [5–] 10–12 [–20+] mm diam.
    Phyllaries persistent, 40–75+ in 3–5 series, distinct, deltate to lanceolate (often cartilaginous medially), unequal, margins and apices scarious (apices often mucronate to spinose, abaxial faces usually villous to arachnose).
    Receptacles ± hemispheric, paleate (throughout);
    paleae (persistent) ± flat, often cartilaginous (each proximally elliptic to oblong, distally ± subulate to spinose).
    Ray-florets [0] 12–21 [–35+], pistillate and fertile, or styliferous and sterile;
    corollas yellow [white or pinkish], laminae oblong (often reflexed, marcescent in fruit).
    Disc-florets 80–200+, bisexual, fertile;
    corollas yellow [pinkish], tubes ± compressed (bases not dilated, not clasping cypselae), throats funnelform, lobes 5, deltate (minutely crested abaxially near tips).
    Cypselae obconic to prismatic (± 4-angled), ± obcompressed or flattened, ribs 0 or 2 lateral (sometimes winged) plus 3–10 finer ribs or nerves on each face, faces glabrous (pericarps with myxogenic cells; embryo-sac development tetrasporic);