Picris hieracioides

Picris hieracioides
Picris hieracioides[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Picris
Species:
P. hieracioides
Binomial name
Picris hieracioides

Picris hieracioides, or hawkweed oxtongue,[3] is a species of flowering plant in the family Asteraceae.

Description

Hawkweed oxtongue is described as having long and narrow simple leaves, with or without teeth, resembling an ox's tongue. The leaves at the base form a rosette, while the stems can grow up to 1 metre (3.2 feet) in height. The plant blooms in summer, producing small, yellow flower with many petals, somewhat resembling a dandelion.

Ecology

Hawkweed oxtongue is native to Europe and Asia, but is an invasive species in Africa, Australia, and North America.[4] The plant can spread seeds rapidly, outcompeting native species, while also emitting a chemical inhibiting nearby plants' growth.[5]

References

  1. ^ 1885 illustration from Prof. Dr. Otto Wilhelm Thomé Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany
  2. ^ Linnaeus 1753, p. 792.
  3. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  4. ^ "Picris hieracioides (hawkweed oxtongue): Go Botany". gobotany.nativeplanttrust.org. Retrieved 2025-07-21.
  5. ^ "Hawkweed Oxtongue: Learn About its Characteristics and Uses". www.wildflowerweb.co.uk. Archived from the original on 2025-04-19. Retrieved 2025-07-21.

Bibliography


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