View source for Asanthus

{{Treatment/ID
|accepted_name=Asanthus
|accepted_authority=R. M. King & H. Robinson
|publications={{Treatment/Publication
|title=Phytologia
|place=24: 66. 1972
|year=1972
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Eupatorieae;Asanthus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Eupatorieae]]</div><div class="higher-taxon"><small>genus</small>[[Asanthus]]</div></div>
|etymology=Asa, honoring American botanist Asa Gray, 1810–1888, and Greek anthos, flower
|volume=Volume 21
|mention_page=page 460, 507
|treatment_page=page 509
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>or subshrubs, 30–60(–100) cm. <b>Stems</b> erect, much branched. <b>Leaves</b> cauline; mostly opposite (distal sometimes alternate); ± sessile [petiolate]; blades 1-nerved (or nerves parallel, mostly linear to filiform [lanceolate] (distal usually filiform to scalelike), canescent, often with axillary, ± 4-ranked, canescent, fascicles of scale-leaves), margins entire, faces glabrous or puberulent, usually gland-dotted. <b>Heads</b> discoid, in narrow, racemiform [corymbiform to paniculiform] arrays. <b>Involucres</b> ± obconic, 4–5 mm diam. <b>Phyllaries</b> persistent, 20–25 in 4–8 series, not notably nerved, lance-ovate to oblong, unequal (herbaceous to scarious, becoming indurate). <b>Receptacles</b> flat, epaleate. <b>Florets</b> 8–14; corollas whitish, throats narrowly cylindric (lengths 6–8 times diams.); styles: bases not enlarged, glabrous, branches narrowly clavate (distally dilated, not notably papillose). <b>Cypselae</b> narrowly prismatic, (9–)10-ribbed, scabrellous on ribs; pappi persistent, of 20–100 barbellate (at least distally) bristles in 1–3 series.</span><!--

-->{{Treatment/Body
|distribution=sw United States;w Mexico.
|discussion=<p>Species 3 (1 in the flora).</p><!--
--><p>Asanthus has been included within Steviopsis (see discussion under 404. Brickelliastrum).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Asanthus
|author=Guy L. Nesom
|authority=R. M. King & H. Robinson
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=sw United States;w Mexico.
|reference=None
|publication title=Phytologia
|publication year=1972
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_1295.xml
|tribe=Asteraceae tribe Eupatorieae
|genus=Asanthus
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Eupatorieae]]