Pilosella floribunda (synonym Hieracium floribundum,[1] also known as pale hawkweed, smoothish hawkweed,[2] yellow hawkweed,[3] and yellow devil hawkweed[4]) is a species of noxious and herbaceous perennial plant from family Asteraceae that is known in Europe (particularly France)[4] and can also be found in United States and Canada.[5] It was believed that it was a hybrid of Pilosella caespitosa (Hieracium caespitosum and Pilosella lactucella (Hieracium lactucella).[2]

Description

The plant is 10 to 36 inches (250 to 910 mm) tall. The flowers bloom from June to July, are clustered, and are 1⁄2 inch (13 mm) wide. The leaves are hairy and spatula shaped.[3]

References

  1. ^ a b c "Pilosella floribunda (Wimmer & Grab) Fr.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-01-28.
  2. ^ a b "Pale Hawkweed (Smoothish Hawkweed)". Connecticut Botanical Society. Retrieved 6 October 2012.
  3. ^ a b "yellow hawkweed (hieracium floribundum)". Oregon.gov. Retrieved 6 October 2012.
  4. ^ a b "Hieracium floribundum (herb)". Interim profile, incomplete information. Retrieved 6 October 2012.
  5. ^ "Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella]". PLANTS Profile. Retrieved 6 October 2012.


Allikas: http://en.wikipedia.org/wiki/Pilosella_floribunda
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