View source for Thelesperma megapotamicum

{{Treatment/ID
|accepted_name=Thelesperma megapotamicum
|accepted_authority=(Sprengel) Kuntze
|publications={{Treatment/Publication
|title=Revis. Gen. Pl.
|place=3(2): 182. 1898
|year=1898
}}
|basionyms={{Treatment/ID/Basionym
|name=Bidens megapotamica
|authority=Sprengel
|rank=species
|publication_title=Syst. Veg.
|publication_place=3: 454. 1826
}}
|synonyms={{Treatment/ID/Synonym
|name=Thelesperma gracile
|authority=(Torrey) A. Gray
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Coreopsidinae;Thelesperma;Thelesperma megapotamicum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Coreopsidinae]]</div><div class="higher-taxon"><small>genus</small>[[Thelesperma]]</div><div class="higher-taxon"><small>species</small>[[Thelesperma megapotamicum]]</div></div>
|volume=Volume 21
|mention_page=page 200, 201
|treatment_page=page 202
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>or subshrubs, (20–)30–80+ cm. <b>Cauline</b> 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. <b>Calyculi</b> of 3–5+ ovate to oblong bractlets 1–2(–3) mm. <b>Ray</b> florets 0. <b>Disc</b> corollas yellow, often with red-brown nerves, throats shorter than lobes. <b>Cypselae</b> 5–8 mm; pappi 1–2(–3) mm. <b>2n</b> = 22, 44.</span><!--

-->{{Treatment/Body
|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=<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=
|references=
}}<!--

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-->{{#Taxon:
name=Thelesperma megapotamicum
|authority=(Sprengel) Kuntze
|rank=species
|parent rank=genus
|synonyms=Thelesperma gracile
|basionyms=Bidens megapotamica
|family=Asteraceae
|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.
|reference=None
|publication title=Revis. Gen. Pl.
|publication year=1898
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_495.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae
|genus=Thelesperma
|species=Thelesperma megapotamicum
}}<!--

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