View source for Isocarpha

{{Treatment/ID
|accepted_name=Isocarpha
|accepted_authority=R. Brown
|publications={{Treatment/Publication
|title=Trans. Linn. Soc. London
|place=12: 110. 1817
|year=1817
}}
|common_names=Pearlhead
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Eupatorieae;Isocarpha
|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>[[Isocarpha]]</div></div>
|etymology=Greek iso -, same, and carphos, small dry body, evidently alluding to uniform receptacular paleae
|volume=Volume 21
|mention_page=page 460
|treatment_page=page 490
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>or subshrubs [annuals], 10–150 cm. <b>Stems</b> usually erect, sometimes basally decumbent [creeping]. <b>Leaves</b> cauline; mostly opposite (distal sometimes alternate) [alternate]; petiolate or sessile; blades ± 3-nerved, elliptic to narrowly lance-elliptic [ovate or lanceolate to linear], margins entire or serrulate [dentate], faces glabrate to weakly hirsutulous or pilosulous, gland-dotted. <b>Heads</b> discoid, borne singly or in tight, corymbiform to subcapitate [paniculiform] arrays. <b>Involucres</b> ± obconic, 4–6 mm diam. <b>Phyllaries</b> persistent, 10–15+ in 2+ series, [1–]2–3[–6]-nerved, ovate or elliptic to lanceolate or linear, ± equal. <b>Receptacles</b> conic to columnar, paleate (paleae similar to inner phyllaries). <b>Florets</b> 60–200+; corollas white or pinkish, throats funnelform (lengths ca. 2 times diams.) [cylindric or campanulate], lobes 5, ± deltate; styles: bases enlarged, glabrous [papillose], branches filiform. <b>Cypselae</b> prismatic, 5-ribbed, glabrous [pubescent]; pappi 0. <b>x</b> = 10.</span><!--

-->{{Treatment/Body
|distribution=s;c United States;Mexico;West Indies;Central America;South America.
|discussion=<p>Species 5 (1 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=keil1981a
|text=Keil, D. J. and T. F. Stuessy. 1981. Systematics of Isocarpha (Compositae: Eupatorieae). Syst. Bot. 6: 258–287.
}}
}}<!--

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-->{{#Taxon:
name=Isocarpha
|author=Guy L. Nesom
|authority=R. Brown
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=s;c United States;Mexico;West Indies;Central America;South America.
|reference=keil1981a
|publication title=Trans. Linn. Soc. London
|publication year=1817
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_1234.xml
|tribe=Asteraceae tribe Eupatorieae
|genus=Isocarpha
}}<!--

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