Pilosella flagellaris (synonym Hieracium flagellare[1]) is a European plant species in the tribe Cichorieae within the family Asteraceae. It is native to Europe but naturalized in scattered locations in the United States and Canada.[1][2]

Pilosella flagellaris
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Pilosella
Species:
P. flagellaris
Binomial name
Pilosella flagellaris
(Willd.) Arv.-Touv.
Synonyms[1]
  • Hieracium chrysophthalmum Norrl.
  • Hieracium flagellare Willd.
  • Hieracium homostegium Norrl.
  • Hieracium inceptans Norrl.
  • Hieracium niankoviense Rehmann
  • Hieracium petunnikovii (Peter) Üksip
  • Hieracium prognatum Norrl.
  • Hieracium tatrense (Nägeli & Peter) Üksip

Pilosella flagellaris is a small herb up to 20 cm (7.9 in) tall, with leaves mostly in a rosette at the bottom. Leaves are up to 130 mm (5.1 in) long, with no teeth on the edges. One stalk will produce 2-4 flower heads in a flat-topped array. Each head has 90–120 yellow ray flowers but no disc flowers.[3]

References edit

  1. ^ a b c "Pilosella flagellaris (Willd.) Arv.-Touv.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-01-28.
  2. ^ Biota of North America Program 2004 county distribution map
  3. ^ Flora of North America, Hieracium flagellare Willdenow, 1814.