Askellia pygmaea

{{Short description|Species of flowering plant}}

{{Speciesbox

|image =Crepis nana.jpg

|image_caption =

|status = {{TNCStatus}}

|status_system = TNC

|genus = Askellia

|species = pygmaea

|authority = (Ledeb.)Sennikov

|synonyms_ref = [http://www.theplantlist.org/tpl1.1/record/gcc-147557 The Plant List, Askellia pygmaea (Ledeb.) Sennikov ]

|synonyms =

  • Askellia nana (Richardson) W.A.Weber
  • Barkhausia nana (Richardson) DC.
  • Crepis cochlearifolia Fisch. ex Herder
  • Crepis nana Richardson
  • Hieracioides nanum (Richardson) Kuntze
  • Prenanthes pygmaea Ledeb.
  • Youngia nana (Richardson) Rydb.
  • Youngia pygmaea (Ledeb.) Ledeb.

}}

Askellia pygmaea, the dwarf alpine hawksbeard,{{PLANTS|id=CRNA|taxon=Crepis nana|accessdate=21 June 2015}} is a species of Asian and North American plants in the tribe Cichorieae within the family Asteraceae.

Distribution

It is native to western, northern, and eastern Canada (Yukon, Northwest Territories, British Columbia, Alberta, Nunavut, Quebec, Labrador, Newfoundland), the western United States (Alaska, Montana, Wyoming, Colorado, Idaho, Utah, Nevada, Washington, Oregon, California), Russia, Mongolia, Kazakhstan, and western China (Tibet + Xinjiang).[http://bonap.net/MapGallery/State/Askellia%20pygmaea.png Biota of North America Program, 2014 state-level distribution map]

Description

Askellia pygmaea is a perennial up to 20 cm (8 inches) tall, with a deep taproot and spreading by means of underground rhizomes thus forming dense clumps. Stems are sometimes erect, but sometimes trailing along the ground. One plant can have more than 80 small flower heads, each with 9-12 yellow ray florets but no disc florets.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066448 Flora of North America, Dwarf alpine hawksbeard, Crepis nana Richardson ][http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=250097622 Flora of China, 矮小假苦菜 ai xiao jia ku cai Askellia pygmaea (Ledebour) Sennikov, Komarovia. 5: 86. 2008. ]

References

{{Reflist}}

{{Commons category-inline|Askellia pygmaea}}

{{Taxonbar|from=Q5184281}}

Category:Cichorieae

Category:Flora of Northern America

Category:Flora of Asia

Category:Plants described in 1812

Category:Taxa named by Carl Friedrich von Ledebour

{{Cichorieae-stub}}