Difference between revisions of "Glebionis"
in F. Cuvier, Dict. Sci. Nat. ed. 2, 41: 41. 1826.
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|accepted_name=Glebionis | |accepted_name=Glebionis | ||
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|title=in F. Cuvier, Dict. Sci. Nat. ed. | |title=in F. Cuvier, Dict. Sci. Nat. ed. | ||
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|distribution=Eurasia (especially Mediterranean and Macaronesia) and northern Africa (widely cultivated and adventive). | |distribution=Eurasia (especially Mediterranean and Macaronesia) and northern Africa (widely cultivated and adventive). | ||
| + | |introduced=true | ||
|discussion=<p>Species 2 (2 in the flora).</p> | |discussion=<p>Species 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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name=Glebionis | name=Glebionis | ||
|author=John L. Strother | |author=John L. Strother | ||
| − | |authority=Cassini | + | |authority=Cassini |
|rank=genus | |rank=genus | ||
|parent rank=tribe | |parent rank=tribe | ||
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|publication year=1826 | |publication year=1826 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_968.xml |
|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Glebionis | |genus=Glebionis | ||
Latest revision as of 19:57, 5 November 2020
Annuals, 10–30(–80+) cm. Stems usually 1, erect to ascending, usually branched distally, glabrous. Leaves mostly cauline; alternate; petiolate or sessile; blades obovate to oblong (bases sometimes ± clasping), usually 1–3-pinnately lobed, ultimate margins usually dentate, rarely entire, faces glabrous. Heads radiate, borne singly or in 2s or 3s. Involucres ± hemispheric or broader, 15–25+ mm diam. 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). Receptacles convex to hemispheric, epaleate. Ray florets 10–21+, pistillate, fertile; corollas mostly yellow, sometimes paler distally, laminae linear, oblong, or ovate. Disc florets 60–150+, bisexual, fertile; corollas ± yellow, tubes ± cylindric (basally ± dilated, ± gland-dotted), throats funnelform, lobes 5, narrowly deltate (each with a resin sac). Cypselae dimorphic: outer (ray) 3-angled (each angle ± winged, wings not spine-tipped); inner (disc) compressed-prismatic to columnar (adaxial, rarely abaxial, angles sometimes ± winged, wings not spine-tipped); ribs usually 10, faces glabrous, sometimes gland-dotted between ribs (pericarps without myxogenic cells or resin sacs; embryo sac development monosporic); pappi 0. x = 9.
Distribution
Introduced; Eurasia (especially Mediterranean and Macaronesia) and northern Africa (widely cultivated and adventive).
Discussion
Species 2 (2 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Leaf blades coarsely 1-pinnate or not lobed; disc cypselae ± compressed-columnar, 10- ribbed, not winged | Glebionis segetum |
| 1 | Leaf blades mostly 2–3-pinnately lobed; disc cypselae ± prismatic, ± compressed, obscurely ribbed, sometimes with adaxial (rarely the abaxial) rib ± winged | Glebionis coronaria |