Difference between revisions of "Parthenice"
Smithsonian Contr. Knowl. 5(6): 85. 1853.
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|discussion=<p>Species 1.</p> | |discussion=<p>Species 1.</p> | ||
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|family=Asteraceae | |family=Asteraceae | ||
|illustrator=Linda Ann Vorobik | |illustrator=Linda Ann Vorobik | ||
| + | |illustration copyright=Flora of North America Association | ||
|distribution=Ariz.;nw Mexico. | |distribution=Ariz.;nw Mexico. | ||
| − | |reference= | + | |reference=None |
|publication title=Smithsonian Contr. Knowl. | |publication title=Smithsonian Contr. Knowl. | ||
|publication year=1853 | |publication year=1853 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_37.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | ||
Revision as of 19:36, 16 December 2019
Annuals, 20–200 cm. Stems erect. Leaves cauline; alternate; petiolate; blades (3-nerved) deltate to ovate, margins entire or toothed, faces usually softly pubescent, sometimes rough-hairy. Heads obscurely radiate or disciform, borne in loose, paniculiform arrays. Involucres hemispheric, 3–5 mm. Phyllaries persistent (outer) or falling, 13, distinct, outer 5 herbaceous (becoming reflexed), inner 6–8 membranous (each becoming cupped around a cypsela). Receptacles convex; paleae of 2 kinds: peripheral purplish-mottled, becoming somewhat fleshy and arcuate-clavate, shed together in pairs with each cypsela; inner 0 or narrowly conic, persistent. Ray florets 6–8; corollas yellowish (minute), glandular. Disc florets 10–25+, functionally staminate; corollas yellowish, funnelform, distally glandular and hairy (anthers ± connate). Cypselae (ray) strongly obcompressed to obflattened, obovate, tuberculate, shed with 2 adjacent, ± fleshy paleae; pappi 0 or rudimentary. x = 18.
Distribution
Ariz., nw Mexico.
Discussion
Species 1.
Selected References
None.