Difference between revisions of "Glebionis Cassini in F. Cuvier (Q2136)"
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Latest revision as of 12:48, 24 June 2022
Glebionis is a taxon with the rank genus within the subtribe Glebionidinae
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Glebionis Cassini in F. Cuvier
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Glebionis is a taxon with the rank genus within the subtribe Glebionidinae
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Statements
taxon/id/Glebionis Cassini
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Glebionis Cassini
Glebionis
Cassini
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
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Eurasia (especially Mediterranean and Macaronesia) and northern Africa (widely cultivated and adventive)
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Stems usually 1, erect to ascending, usually branched distally, glabrous.
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Leaves mostly cauline;
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petiolate or sessile;
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blades obovate to oblong (bases sometimes ± clasping), usually 1–3-pinnately lobed, ultimate margins usually dentate, rarely entire, faces glabrous.
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Heads radiate, borne singly or in 2s or 3s.
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Involucres ± hemispheric or broader, 15–25+ mm diam.
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Phyllaries persistent, 25–60+ in 3–4 series, distinct, ovate or obovate to lance-deltate or lanceolate (not carinate, usually each with a resin canal), margins and apices (colorless or stramineous to pale-brown) scarious (tips of inner often ± dilated).
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Receptacles convex to hemispheric, epaleate.
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Ray-florets 10–21+, pistillate, fertile;
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corollas mostly yellow, sometimes paler distally, laminae linear, oblong, or ovate.
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Disc-florets 60–150+, bisexual, fertile;
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corollas ± yellow, tubes ± cylindric (basally ± dilated, ± gland-dotted), throats funnelform, lobes 5, narrowly deltate (each with a resin sac).
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Cypselae dimorphic: outer (ray) 3-angled (each angle ± winged, wings not spine-tipped);
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inner (disc) compressed-prismatic to columnar (adaxial, rarely abaxial, angles sometimes ± winged, wings not spine-tipped);
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ribs usually 10, faces glabrous, sometimes gland-dotted between ribs (pericarps without myxogenic cells or resin sacs; embryo-sac development monosporic);
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obovate
lance-deltate or lanceolate
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compressed-prismatic
columnar
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