Difference between revisions of "Pseudogynoxys"
Brittonia 7: 54. 1950.
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|name=Senecio sect. Pseudogynoxys | |name=Senecio sect. Pseudogynoxys | ||
|authority=Greenman | |authority=Greenman | ||
| + | |rank=section | ||
| + | |publication_title=Bot. Jahrb. Syst. | ||
| + | |publication_place=32: 19. 1902 | ||
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|distribution=Mexico;West Indies;Central America;tropical South America. | |distribution=Mexico;West Indies;Central America;tropical South America. | ||
| + | |introduced=true | ||
|discussion=<p>Species ca. 12 (1 in the flora).</p> | |discussion=<p>Species ca. 12 (1 in the flora).</p> | ||
|tables= | |tables= | ||
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|publication year=1950 | |publication year=1950 | ||
|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/V20_1363.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Pseudogynoxys | |genus=Pseudogynoxys | ||
Latest revision as of 20:00, 5 November 2020
Vines (herbaceous or suffrutescent), 50–500+ cm. Stems usually 1, ± twining and climbing. Leaves cauline; alternate; petiolate; blades palmati-pinnately nerved, ovate to lanceolate, margins dentate to denticulate, faces ± villous. Heads radiate [discoid], in ± corymbiform arrays or borne singly. Calyculi of 10–20 bractlets. Involucres hemispheric or campanulate to turbinate or cylindric, [4–]12–20(–25+) mm diam. Phyllaries persistent, [8–]12–26+ in (1–)2 series, erect, distinct, lance-linear to linear, equal or subequal, margins membranous (apices sometimes black). Receptacles flat, foveolate, epaleate. Ray florets 6–15+, pistillate, fertile; corollas orange to ± brick-red. Disc florets [12–]40–80+, bisexual, fertile; corollas orange, tubes longer than campanulate throats, lobes 5, erect to reflexed, lance-ovate to lance-linear; style branches stigmatic in 2 lines, apices with lance-attenuate appendages. Cypselae ± cylindric, weakly ribbed, puberulent; pappi persistent, of 100–120+, white, barbellulate bristles.
Distribution
Introduced; Mexico, West Indies, Central America, tropical South America.
Discussion
Species ca. 12 (1 in the flora).