Erigeron poliospermus

Last updated

Contents

Erigeron poliospermus
Erigeron poliospermus 0154.JPG
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
Species:
E. poliospermus
Binomial name
Erigeron poliospermus

Erigeron poliospermus is a species of flowering plant in the family Asteraceae known by the common names gray-seeded fleabane, [1] purple cushion fleabane, and hairy-seed fleabane. [2] Native to western North America, it is mainly found to the east of the Cascade Range in Washington, Oregon, and Idaho. [3] [4] [5]

Description

Erigeron poliospermus is a small perennial herb rarely more than 15 centimetres (5+7⁄8 in) tall, producing a woody taproot. Leaves arise basally and are linear-oblanceolate to spatulate, up to 8 cm long and 12 mm wide, and are covered with long protruding hairs. The plant usually produces single (rarely up to 3) flower heads per stem, which arises basally and is hairy and is leafless or may bear a few very reduced leaves. Each head has 15–45 pink, purple, or white ray florets surrounding numerous yellow disc florets. The ray florets are lacking in var. disciformis. The involucre bracts, 5–9 mm (1⁄4–3⁄8 in) long, are more or less the same length and are sparsely to densely white-hairy. Seeds are borne on achenes densely covered with long silky hairs [6] and are presumably wind dispersed.

The somewhat similar Erigeron pumilus is usually taller and shaggier in general appearance and has much more prominent leaf-like bracts scattered up a branched flower stem and usually multiple flowers per stem and narrower basal leaves. [1] [7] [8] [9] [10]

Habitat

Erigeron poliospermus grows in desert, scrub and rocky habitats below 1,800 metres (6,000 ft), and is occasionally found at higher elevations. [11] It is common on the Columbia Plateau in thin rocky soils above basalt bedrock. [6]

Varieties


Related Research Articles

<i>Erigeron concinnus</i> Species of flowering plant

Erigeron concinnus, the Navajo fleabane, tidy fleabane or hairy daisy, is a perennial flowering plant in the family Asteraceae.

<i>Erigeron bloomeri</i> Species of flowering plant

Erigeron bloomeri is a North American species of flowering plants in the family Asteraceae known by the common name scabland fleabane.

Erigeron breweri is a North American species of flowering plants in the family Asteraceae known by the common name Brewer's fleabane.

Erigeron clokeyi is a North American species of flowering plant in the family Asteraceae known by the common name Clokey's fleabane, or Clokey's daisy.

<i>Erigeron eatonii</i> Species of flowering plant

Erigeron eatonii is a North American species of flowering plants in the family Asteraceae known by the common name Eaton's fleabane.

<i>Erigeron inornatus</i> Species of flowering plant

Erigeron inornatus is a North American species of flowering plant in the family Asteraceae known by the common name California rayless daisy, California rayless fleabane, rayless fleabane, Lava rayless fleabane

<i>Erigeron linearis</i> Species of flowering plant

Erigeron linearis is a species of flowering plant in the family Asteraceae known by the common name desert yellow fleabane or narrow leaved fleabane. It is native to western North America.

<i>Erigeron peregrinus</i> Species of flowering plant

Erigeron peregrinus is a North American species of flowering plants in the family Asteraceae known by the common name wandering fleabane.

<i>Erigeron strigosus</i> Species of plant

Erigeron strigosus is a species of flowering plant in the family Asteraceae known by the common names prairie fleabane, common eastern fleabane, and daisy fleabane.

<i>Erigeron petrophilus</i> Species of flowering plant

Erigeron petrophilus is a species of flowering plant in the family Asteraceae known by the common names rockloving erigeron or cliff fleabane. It is native to the mountain ranges of California from Siskiyou County south as far as San Luis Obispo County and El Dorado County. It also grows in southwestern Oregon.

<i>Erigeron reductus</i> Species of flowering plant

Erigeron reductus is a species of flowering plant in the family Asteraceae known by the common name lesser California rayless fleabane. It is endemic to California, from Trinity County south as far as Alameda County and El Dorado County.

<i>Erigeron pulchellus</i> Species of flowering plant

Erigeron pulchellus, the Robin's plantain, blue spring daisy or hairy fleabane, is a North American species of plants in the family Asteraceae. It is widespread across much of the United States and Canada from Québec and Ontario south as far as eastern Texas and the Florida Panhandle.

<i>Erigeron pumilus</i> Species of flowering plant

Erigeron pumilus, the shaggy fleabane, or vernal daisy, is a hairy North American species of perennial plants in the family Asteraceae. It is widespread across much of western Canada and the western United States, from British Columbia east to Saskatchewan and south as far as Oklahoma and the San Bernardino Mountains of California. There have been reports of the plant growing in Yukon Territory, but these were based on misidentified specimens.

Erigeron arisolius is a species of flowering plant in the family Asteraceae known by the common names arid throne fleabane and dry-sun fleabane. It is native to the southwestern United States (Arizona) and northwestern Mexico (Sonora).

Erigeron bellidiastrum, the western daisy fleabane or sand fleabane, is a species of fleabane in the family Asteraceae. It is native to northern Mexico and the western and central United States.

<i>Erigeron filifolius</i> Species of flowering plant

Erigeron filifolius is a North American species of flowering plants in the family Asteraceae known by the common names thread-leaf fleabane.

Erigeron klamathensis is a North American species of flowering plant in the family Asteraceae known by the common name Klamath fleabane or Klamath daisy. It had been collected by botanists for many years and generally regarded as part of E. foliosus. It was not recognized as a distinct species until 2004.

<i>Erigeron rybius</i> Species of flowering plant

Erigeron rybius is a North American species of flowering plant in the family Asteraceae known by the common names Sacramento Mountain fleabane and royal fleabane. It is native to the western Texas and south-central New Mexico in the southwestern United States. The common name alludes to the Sacramento Mountains just east of Alamogordo in New Mexico.

Erigeron sionis is a North American species of flowering plant in the family Asteraceae known by the common name Zion fleabane. 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.

Erigeron vicinus is a North American species of flowering plant in the family Asteraceae known by the common names neighbor fleabane and border fleabane. It grows in north-central Mexico and in western Texas in the United States. Some of the populations lie inside Big Bend National Park.

References

  1. 1 2 "Erigeron poliospermus in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2022-10-31.
  2. ↑ USDA, NRCS (n.d.). "Erigeron poliospermus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 29 June 2015.
  3. ↑ Biota of North America Program 2014 county distribution map
  4. ↑ Sullivan, Steven. K. (2020). "Erigeron poliospermus". Wildflower Search. Retrieved 2020-09-22.
  5. ↑ USDA, NRCS. (2020). "Erigeron poliospermus". The PLANTS Database. National Plant Data Team, Greensboro, NC 27401-4901 USA. Retrieved 2020-09-22.
  6. 1 2 Burke Herbarium Image Collection| http://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Erigeron poliospermus
  7. ↑ Cronquist, A.J. 1994. Asterales. 5: 1–496. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York.
  8. ↑ Scoggan, H. J. 1979. Dicotyledoneae (Loasaceae to Compositae). Part 4. 1117–1711 pp. In Flora of Canada. National Museums of Canada, Ottawa.
  9. ↑ Klinkenberg, Brian, ed. (2020). "Erigeron poliospermus". E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. Retrieved 2020-09-22.
  10. ↑ Giblin, David, ed. (2020). "Erigeron poliospermus". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2020-09-22.
  11. ↑ Biota of North America Program 2014 county distribution map
  12. ↑ Nesom, Guy L. 2004. Sida 21(1): 24
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.