View source for Croptilon rigidifolium

{{Treatment/ID
|accepted_name=Croptilon rigidifolium
|accepted_authority=(E. B. Smith) E. B. Smith
|publications={{Treatment/Publication
|title=Sida
|place=9: 60. 1981
|year=1981
}}
|common_names=Stiff-leaf scratchdaisy
|basionyms={{Treatment/ID/Basionym
|name=Haplopappus rigidifolius
|authority=E. B. Smith
|rank=species
|publication_title=Rhodora
|publication_place=67: 229. 1965,
}}
|synonyms={{Treatment/ID/Synonym
|name=Croptilon divaricatum var. hirtellum
|authority=(Shinners) Shinners
|rank=variety
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Croptilon;Croptilon rigidifolium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Croptilon]]</div><div class="higher-taxon"><small>species</small>[[Croptilon rigidifolium]]</div></div>
|volume=Volume 20
|mention_page=page 229
|treatment_page=page 230
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>decumbent to erect, 20–150 cm. <b>Cauline</b> leaf blades spatulate to lanceolate, relatively even-sized distally, margins usually entire, sometimes serrate apically. <b>Peduncles</b> usually hirtellous to hispid, sometimes with crisped hairs as well, rarely glabrous, eglandular. <b>Involucres</b> turbinate to subcylincric, (4–)5–7 mm diam. <b>Ray</b> florets (5–)9–22; corolla laminae (4–)4.5–6.3(–7.4) mm. <b>Disc</b> florets (6–)25–45(–60). <b>2n</b> = 10 (10 and 12 in one population).</span><!--

-->{{Treatment/Body
|phenology=Flowering Sep–Nov(–Dec).
|habitat=Sandy soils, creek terraces, often in prairies, fields, pastures, roadsides
|elevation=20–100 m
|distribution=Tex.;Mexico (Nuevo León).
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Croptilon rigidifolium
|authority=(E. B. Smith) E. B. Smith
|rank=species
|parent rank=genus
|synonyms=Croptilon divaricatum var. hirtellum
|basionyms=Haplopappus rigidifolius
|family=Asteraceae
|phenology=Flowering Sep–Nov(–Dec).
|habitat=Sandy soils, creek terraces, often in prairies, fields, pastures, roadsides
|elevation=20–100 m
|distribution=Tex.;Mexico (Nuevo León).
|reference=None
|publication title=Sida
|publication year=1981
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_512.xml
|tribe=Asteraceae tribe Astereae
|genus=Croptilon
|species=Croptilon rigidifolium
}}<!--

-->[[Category:Treatment]][[Category:Croptilon]]