View source for Melampodium leucanthum

{{Treatment/ID
|accepted_name=Melampodium leucanthum
|accepted_authority=Torrey & A. Gray
|publications={{Treatment/Publication
|title=Fl. N. Amer.
|place=2: 271. 1842
|year=1842
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Melampodiinae;Melampodium;Melampodium leucanthum
|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 Melampodiinae]]</div><div class="higher-taxon"><small>genus</small>[[Melampodium]]</div><div class="higher-taxon"><small>species</small>[[Melampodium leucanthum]]</div></div>
|volume=Volume 21
|mention_page=page 34
|treatment_page=page 35
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>or subshrubs, 12–40(–60) cm. <b>Leaf</b> blades lanceolate, linear-oblong, or linear, 20–35(–45) × 1–10(–12) mm, lengths 3–8+ times widths, pinnately lobed, lobes 1–6, ultimate margins entire. <b>Peduncles</b> 3–7 cm. <b>Outer</b> phyllaries 5, connate 1/2–3/5 their lengths, ovate, 5–7 mm. <b>Ray</b> florets 8–13; corollas cream-white (sometimes purplish abaxially), laminae oblong-elliptic, 7–13 × 2.5–8 mm. <b>Disc</b> florets 25–50. <b>Fruits</b> 1.5–2.6 mm. <b>2n</b> = 20, 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–Oct.
|habitat=Open sites, grasslands, roadcuts, arid or desert scrublands
|elevation=(200–)1000–2000(–2500) m
|distribution=Ariz.;Colo.;Kans.;N.Mex.;Okla.;Tex.;Mexico (Chihuahua;Coahuila;Sonora).
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Melampodium leucanthum
|author=
|authority=Torrey & A. Gray
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering Mar–Oct.
|habitat=Open sites, grasslands, roadcuts, arid or desert scrublands
|elevation=(200–)1000–2000(–2500) m
|distribution=Ariz.;Colo.;Kans.;N.Mex.;Okla.;Tex.;Mexico (Chihuahua;Coahuila;Sonora).
|reference=None
|publication title=Fl. N. Amer.
|publication year=1842
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_63.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Melampodiinae
|genus=Melampodium
|species=Melampodium leucanthum
}}<!--

-->[[Category:Treatment]][[Category:Melampodium]]