View source for Parthenium incanum

{{Treatment/ID
|accepted_name=Parthenium incanum
|accepted_authority=Kunth in A. von Humboldt et al.
|publications={{Treatment/Publication
|title=in A. von Humboldt et al., Nov. Gen. Sp.
|place=4(fol.): 204. 1818
|year=1818
}}, {{Treatment/Publication
|place=4(qto.): 260. plate 391. 1820
|year=1820
}}
|common_names=Mariola
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Parthenium;Parthenium incanum
|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 Ambrosiinae]]</div><div class="higher-taxon"><small>genus</small>[[Parthenium]]</div><div class="higher-taxon"><small>species</small>[[Parthenium incanum]]</div></div>
|volume=Volume 21
|mention_page=page 20
|treatment_page=page 21
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> 30–100+ cm. <b>Leaf</b> blades oval-elliptic to obovate, 15–25(–40+) × 6–15(–25+) mm, sometimes pinnately (3–)5–7-lobed or round-toothed, ultimate margins entire, faces tomentose (gray to white) and gland-dotted. <b>Heads</b> radiate, in glomerules of 3–5+ on branched stalks 1–5(–12+) cm, forming compound, corymbiform arrays. <b>Peduncles</b> 1–3+ mm. <b>Phyllaries</b>: outer 5 oblong, 1.5–2 mm, inner 5 orbiculate, 2–2.5 mm. <b>Pistillate</b> florets 5; corolla laminae ovate, 1–1.5 mm. <b>Disc</b> florets 8–20(–30+). <b>Cypselae</b> obovoid, 1.5–2 mm; pappus-like enations 2(–3), erect to spreading, ± subulate, 0.5–1 mm. <b>2n</b> = 54.</span><!--

-->{{Treatment/Body
|phenology=Flowering (May–)Jul–Nov.
|habitat=Openings in desert scrub, often on limestone soils
|elevation=1000–1500 m
|distribution=Ariz.;Nev.;N.Mex.;Tex.;Utah;Mexico.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Parthenium incanum
|author=
|authority=Kunth in A. von Humboldt et al.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering (May–)Jul–Nov.
|habitat=Openings in desert scrub, often on limestone soils
|elevation=1000–1500 m
|distribution=Ariz.;Nev.;N.Mex.;Tex.;Utah;Mexico.
|reference=None
|publication title=in A. von Humboldt et al., Nov. Gen. Sp.;
|publication year=1818;1820
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_32.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
|genus=Parthenium
|species=Parthenium incanum
}}<!--

-->[[Category:Treatment]][[Category:Parthenium]]