Difference between revisions of "Xanthisma spinulosum var. glaberrimum"
Sida 20: 1408. 2003.
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|name=Sideranthus glaberrimus | |name=Sideranthus glaberrimus | ||
|authority=Rydberg | |authority=Rydberg | ||
| + | |rank=species | ||
|publication_title=Bull. Torrey Bot. Club | |publication_title=Bull. Torrey Bot. Club | ||
|publication_place=27: 621. 1900 | |publication_place=27: 621. 1900 | ||
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|name=Haplopappus spinulosus subsp. glaberrimus | |name=Haplopappus spinulosus subsp. glaberrimus | ||
|authority=(Rydberg) H. M. Hall | |authority=(Rydberg) H. M. Hall | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Haplopappus spinulosus var. glaberrimus | |name=Haplopappus spinulosus var. glaberrimus | ||
|authority=(Rydberg) S. F. Blake | |authority=(Rydberg) S. F. Blake | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Machaeranthera pinnatifida var. glaberrima | |name=Machaeranthera pinnatifida var. glaberrima | ||
|authority=(Rydberg) B. L. Turner & R. L. Hartman | |authority=(Rydberg) B. L. Turner & R. L. Hartman | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Xanthisma glaberrimum | |name=Xanthisma glaberrimum | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Xanthisma;Xanthisma sect. Sideranthus;Xanthisma spinulosum;Xanthisma spinulosum var. glaberrimum | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Xanthisma;Xanthisma sect. Sideranthus;Xanthisma spinulosum;Xanthisma spinulosum var. glaberrimum | ||
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name=Xanthisma spinulosum var. glaberrimum | name=Xanthisma spinulosum var. glaberrimum | ||
| − | |||
|authority=(Rydberg) D. R. Morgan & R. L. Hartman | |authority=(Rydberg) D. R. Morgan & R. L. Hartman | ||
|rank=variety | |rank=variety | ||
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|publication year=2003 | |publication year=2003 | ||
|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_892.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Xanthisma | |genus=Xanthisma | ||
Latest revision as of 20:06, 5 November 2020
Perennials, 20–50 cm, often woody at base. Stems stiffly erect, branched in distal 1/3; mid internodes 2–5 mm. Leaves numerous, strictly ascending, not reduced distally, margins pinnatifid, lobes oblong-lanceolate to triangular, 2–7 mm, faces usually glabrous, sometimes lightly tomentose, eglandular. Heads 2–10+, (subsesssile) usually clustered. Peduncles relatively terminal and lateral, 0.5–2 cm. Involucres 8–15 mm wide. 2n = 8, 16.
Phenology: Flowering spring–fall.
Habitat: Sandy to gravelly prairies, hillsides, and roadsides
Elevation: 800–1400 m
Distribution
Colo., Iowa, Kans., Nebr., N.Mex., N.Dak., Okla., Tex., Wyo.
Discussion
G. L. Nesom (2003) recognized Xanthisma spinulosum var. glaberrium at species level, as it occurs sympatrically with variety spinulosum in the Texas panhandle, where the two taxa behave like biological species; on the eastern plains of Colorado, however, hybridization and autoploidy have been documented (D. P. Hauber 1986).
Selected References
None.