Biology:Erigeron sionis
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Short description: Species of flowering plant
Erigeron sionis | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Genus: | Erigeron |
Species: | E. sionis
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Binomial name | |
Erigeron sionis Cronquist
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Synonyms[1] | |
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Erigeron sionis is a North American species of flowering plant in the family Asteraceae known by the common name Zion fleabane.[2] It has been found in the southwestern United States, only in southern Utah. Some of the populations are inside Zion National Park, after which the species is named.[3][4]
Erigeron sionis grows in shallow soil in open woodlands dominated by pine, juniper, Douglas fir, maple, and oak. It is a perennial, colony-forming herb up to 25 cm (10 inches) tall, spreading by means of stolons running along the surface of the ground. The inflorescence generally contains 1-4 flower heads. Each head contains 22–46 white ray florets surrounding many yellow disc florets.[2][5]
- Erigeron sionis var. sionis
- Erigeron sionis var. trilobatus (Maguire ex Cronquist) S.L.Welsh
References
- ↑ 1.0 1.1 The Plant List, Erigeron sionis Cronquist
- ↑ 2.0 2.1 2.2 Flora of North America, Erigeron sionis Cronquist, 1947. Zion fleabane
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Zion Plant List, United States Department of the Interior, National Park Service
- ↑ Nesom, Guy L. 1976. A new species of Erigeron (Asteraceae) and its relatives in southwestern Utah. Brittonia 28: 263-272 as Erigeron proselyticus
Wikidata ☰ Q15592837 entry
Original source: https://en.wikipedia.org/wiki/Erigeron sionis.
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