Agoseris aurantiaca

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Agoseris aurantiaca
Agoserisaurantiaca.jpg
Agoseris aurantiaca var. aurantiaca
Status TNC G5.svg
Secure  (NatureServe)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Agoseris
Species:
A. aurantiaca
Binomial name
Agoseris aurantiaca
Synonyms [1]
Synonymy
  • Agoseris angustissimaGreene
  • Agoseris arachnoideaRydb.
  • Agoseris arizonica(Greene) Greene
  • Agoseris attenuataRydb.
  • Agoseris carneaRydb.
  • Agoseris confinisGreene
  • Agoseris frondiferaOsterh.
  • Agoseris gaspensisFernald
  • Agoseris gracilens(A.Gray) Kuntze
  • Agoseris gracilens(A.Gray) Greene
  • Agoseris gracilentaGreene
  • Agoseris graminifoliaGreene
  • Agoseris greenei(A.Gray) Rydb.
  • Agoseris howelliiGreene
  • Agoseris humilisRydb. 1905 not (Benth.) Kuntze 1891
  • Agoseris lackschewitziiDouglass M.Hend. & R.K.Moseley
  • Agoseris longirostrisGreene
  • Agoseris nanaRydb
  • Agoseris naskapensisJ.Rousseau & Raymond
  • Agoseris prionophyllaGreene
  • Agoseris purpurea(A.Gray) Greene
  • Agoseris roseataRydb.
  • Agoseris subalpinaG.N.Jones
  • Agoseris vulcanicaGreene
  • Microrhynchus aurantiacusFisch. & C.A.Mey.
  • Microrhynchus purpureusA.Gray
  • Microrhynchus troximoidesTorr. & A.Gray
  • Stylopappus pumilusD.Dietr.
  • Troximon arachnoideum(Rydb.) A.Nelson
  • Troximon arizonicumGreene
  • Troximon aurantiacumHook.
  • Troximon gracilensA.Gray
  • Troximon purpureum(A.Gray) Greene

Agoseris aurantiaca is a species of plant in the family Asteraceae, commonly called orange agoseris or mountain dandelion. It is widespread in western North America.

Contents

Description

Agoseris aurantiaca is a perennial herb or subshrub [2] growing to 60 centimeters (24 inches) in height. [3] It produces a basal rosette of leaves, which are 5–35 cm (2–14 in) long and entire or with irregular tooth-like lobes. [3] There is no stem, but it does produce several stem-like peduncles. Between June and August, each peduncle bears a single flower head 2.5 cm (1 in) in width, [3] surrounded by glabrous to hairy phyllaries. The head is ligulate, containing several ray florets but no disc florets. The florets are most commonly orange but are occasionally yellow, pink, red, or purple. "Aurantiaca" means "orange-red". [4] : 111  The flower head matures into a ball-like head of beaked achenes, each with a terminal pappus of numerous, white bristles. [5]

It is the only orange-flowered species in the genus, the others typically being yellow. [3]

Varieties [1] [5]

Distribution and habitat

The species is widespread and common in western North America from Alaska and the Northwest Territories in Canada southward to California, Arizona, and New Mexico, and eastward as far as the Rocky Mountains and the Black Hills. There are also isolated populations in the Chic-Choc Mountains on the Gaspé Peninsula and in the Otish Mountains of central Quebec. [6] [7] [5] [8] [9] [10]

It is primarily a species of mountainous regions and may be found in wet to dry habitats. [2]

Uses

A cold infusion of this plant is used by the Ramah Navajo for protection against witches. [11]

References

  1. 1 2 The Plant List, search for Agoseris aurantiaca
  2. 1 2 "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-11-28.
  3. 1 2 3 4 Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. p. 353. ISBN   978-0-375-40233-3.
  4. ↑ Great Basin Wildflowers, Laird R. Blackwell, 2006, Morris Book Publishing LLC., ISBN   0-7627-3805-7
  5. 1 2 3 Flora of North America, Agoseris aurantiaca
  6. ↑ Biota of North America Program 2014 county distribution map
  7. ↑ Calflora taxon report, University of California, Agoseris aurantiaca (Hook.) E. Greene orange agoseris, orange flowered agoseris
  8. ↑ Cody, W. J. 1996. Flora of Yukon Territory i–xvii, 1–669. NRC Research Press, Ottawa.
  9. ↑ Hultén, E. 1968. Flora of Alaska i–xxi, 1–1008. Stanford University Press, Stanford
  10. ↑ Porsild, A. E. & W. Cody. 1980. Checklist of the Vascular Plants of the Northwest Territories Canada i–viii, 1–607. National Museum of Natural Sciences, Ottawa
  11. ↑ "Agoseris auranitaca". Herb.umd.umich.edu. Retrieved 2014-03-04.
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