Difference between revisions of "Croptilon rigidifolium"
Sida 9: 60. 1981.
Common names: Stiff-leaf scratchdaisy
Basionym: Haplopappus rigidifolius E. B. Smith Rhodora 67: 229. 1965,
Synonyms: Croptilon divaricatum var. hirtellum (Shinners) Shinners
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|common_names=Stiff-leaf scratchdaisy | |common_names=Stiff-leaf scratchdaisy | ||
− | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Haplopappus rigidifolius | |name=Haplopappus rigidifolius | ||
|authority=E. B. Smith | |authority=E. B. Smith | ||
+ | |rank=species | ||
+ | |publication_title=Rhodora | ||
+ | |publication_place=67: 229. 1965, | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Croptilon divaricatum var. hirtellum | |name=Croptilon divaricatum var. hirtellum | ||
|authority=(Shinners) Shinners | |authority=(Shinners) Shinners | ||
+ | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Croptilon;Croptilon rigidifolium | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Croptilon;Croptilon rigidifolium | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Croptilon rigidifolium | name=Croptilon rigidifolium | ||
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|authority=(E. B. Smith) E. B. Smith | |authority=(E. B. Smith) E. B. Smith | ||
|rank=species | |rank=species | ||
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|publication year=1981 | |publication year=1981 | ||
|special status= | |special status= | ||
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_512.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Croptilon | |genus=Croptilon |
Latest revision as of 20:03, 5 November 2020
Stems decumbent to erect, 20–150 cm. Cauline leaf blades spatulate to lanceolate, relatively even-sized distally, margins usually entire, sometimes serrate apically. Peduncles usually hirtellous to hispid, sometimes with crisped hairs as well, rarely glabrous, eglandular. Involucres turbinate to subcylincric, (4–)5–7 mm diam. Ray florets (5–)9–22; corolla laminae (4–)4.5–6.3(–7.4) mm. Disc florets (6–)25–45(–60). 2n = 10 (10 and 12 in one population).
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).
Discussion
Selected References
None.
Lower Taxa
None.