Difference between revisions of "Porophyllum ruderale var. macrocephalum"
Madroño 20: 255. 1970.
Basionym: Porophyllum macrocephalum de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 648. 1836
Synonyms: Porophyllum ruderale subsp. macrocephalum (de Candolle) R. R. Johnson
Treatment appears in FNA Volume 21. Treatment on page 234.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Porophyllum macrocephalum | |name=Porophyllum macrocephalum | ||
|authority=de Candolle | |authority=de Candolle | ||
| + | |rank=species | ||
| + | |publication_title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
| + | |publication_place=5: 648. 1836 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Porophyllum ruderale subsp. macrocephalum | |name=Porophyllum ruderale subsp. macrocephalum | ||
|authority=(de Candolle) R. R. Johnson | |authority=(de Candolle) R. R. Johnson | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Porophyllum;Porophyllum ruderale;Porophyllum ruderale var. macrocephalum | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Porophyllum;Porophyllum ruderale;Porophyllum ruderale var. macrocephalum | ||
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name=Porophyllum ruderale var. macrocephalum | name=Porophyllum ruderale var. macrocephalum | ||
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|authority=(de Candolle) Cronquist | |authority=(de Candolle) Cronquist | ||
|rank=variety | |rank=variety | ||
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|publication year=1970 | |publication year=1970 | ||
|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/V21_573.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Latest revision as of 21:13, 5 November 2020
Annuals, 15–50+ cm; internodes mostly 15–30+ mm. Leaf blades oval or elliptic to obovate, 15–35+ × 8–25+ mm. Phyllaries 5, linear, 15–25+ mm. Florets mostly 30–50+; corollas greenish to purplish, 9–12.5 mm. Cypselae 9–12 mm; pappi: longer bristles 7–10 mm. 2n = 22.
Phenology: Flowering late summer–fall.
Habitat: Ephemerally wet sites in desert mountains
Elevation: 1000–1500 m
Distribution
Ariz., N.Mex., Tex., Mexico, West Indies (Antilles), Central America, South America.
Discussion
Selected References
None.
Lower Taxa
None.