Difference between revisions of "Guizotia"
in F. Cuvier, Dict. Sci. Nat. ed. 2, 59: 237, 247, 248. 1829.
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|accepted_name=Guizotia | |accepted_name=Guizotia | ||
| − | |accepted_authority=Cassini | + | |accepted_authority=Cassini |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in F. Cuvier, Dict. Sci. Nat. ed. | |title=in F. Cuvier, Dict. Sci. Nat. ed. | ||
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|distribution=Africa. | |distribution=Africa. | ||
| + | |introduced=true | ||
|discussion=<p>Species 6 (1 in the flora).</p><!-- | |discussion=<p>Species 6 (1 in the flora).</p><!-- | ||
--><p>Taxonomic affinities of <i>Guizotia</i> generally have been acknowledged as obscure; the genus has been placed in Coreopsidinae, Melampodiinae, Milleriinae, and Verbesininae.</p> | --><p>Taxonomic affinities of <i>Guizotia</i> generally have been acknowledged as obscure; the genus has been placed in Coreopsidinae, Melampodiinae, Milleriinae, and Verbesininae.</p> | ||
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name=Guizotia | name=Guizotia | ||
|author=John L. Strother | |author=John L. Strother | ||
| − | |authority=Cassini | + | |authority=Cassini |
|rank=genus | |rank=genus | ||
|parent rank=subtribe | |parent rank=subtribe | ||
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|publication year=1829 | |publication year=1829 | ||
|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/V21_80.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Milleriinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Milleriinae | ||
Latest revision as of 21:14, 5 November 2020
Annuals [perennials, subshrubs, or shrubs], [3–]20–200 cm. Stems erect [creeping], branched. Leaves mostly cauline; opposite (distal sometimes alternate); sessile; blades rhombic to lanceolate or oblanceolate [spatulate], margins entire or serrate, faces glabrous or puberulent to pilose, gland-dotted (at least abaxial). Heads radiate, in corymbiform arrays [borne singly]. Involucres campanulate [hemispheric], [8–]10–15[–20] mm diam. Phyllaries persistent, 10–13 in 2 series (distinct, outer 5–6+ oblong, herbaceous, inner narrower, more scarious). Receptacles conic to hemispheric, paleate (paleae oblong to lanceolate, plane [cucullate], membranous to scarious). Ray florets 6–18, pistillate, fertile; corollas yellow (hairy at bases of tubes). Disc florets 100+, bisexual, fertile; corollas yellow, tubes cylindric (hairy), shorter than campanulate throats, lobes 5, deltate. Cypselae weakly compressed, 3–4-angled, glabrous (shining); pappi 0. x = 15.
Distribution
Introduced; Africa.
Discussion
Species 6 (1 in the flora).
Taxonomic affinities of Guizotia generally have been acknowledged as obscure; the genus has been placed in Coreopsidinae, Melampodiinae, Milleriinae, and Verbesininae.