Difference between revisions of "Thelesperma megapotamicum"
Revis. Gen. Pl. 3(2): 182. 1898.
Basionym: Bidens megapotamica Sprengel
Synonyms: Thelesperma gracile (Torrey) A. Gray
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|elevation=300–2900 m | |elevation=300–2900 m | ||
|distribution=Ariz.;Ark.;Colo.;Kans.;Nebr.;N.Mex.;Okla.;S.Dak.. Tex.;Utah;Wyo.;Mexico (Chihuahua;Coahuila);South America. | |distribution=Ariz.;Ark.;Colo.;Kans.;Nebr.;N.Mex.;Okla.;S.Dak.. Tex.;Utah;Wyo.;Mexico (Chihuahua;Coahuila);South America. | ||
| − | |discussion=<p>Thelesperma megapotamicum sometimes persists after plantings outside its natural range in the flora area and may become established (e.g., in California).</p> | + | |discussion=<p><i>Thelesperma megapotamicum</i> sometimes persists after plantings outside its natural range in the flora area and may become established (e.g., in California).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1898 | |publication year=1898 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_495.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Revision as of 15:35, 18 September 2019
Perennials or subshrubs, (20–)30–80+ cm. Cauline leaves ± scattered over proximal 1/2–3/4 of plant heights, internodes mostly 40–100 mm; lobes mostly linear to filiform, sometimes oblanceolate, 20–40(–50+) × 0.5–1(–2.5) mm. Calyculi of 3–5+ ovate to oblong bractlets 1–2(–3) mm. Ray florets 0. Disc corollas yellow, often with red-brown nerves, throats shorter than lobes. Cypselae 5–8 mm; pappi 1–2(–3) mm. 2n = 22, 44.
Phenology: Flowering (Apr–)May–Oct.
Habitat: Disturbed places on sands or clays, oak/juniper woodlands, desert scrub, yellow-pine forests
Elevation: 300–2900 m
Distribution
Ariz., Ark., Colo., Kans., Nebr., N.Mex., Okla., S.Dak.. Tex., Utah, Wyo., Mexico (Chihuahua, Coahuila), South America.
Discussion
Thelesperma megapotamicum sometimes persists after plantings outside its natural range in the flora area and may become established (e.g., in California).
Selected References
None.
Lower Taxa
None.