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largeflower hawksbeard
Scientific Name: Crepis occidentalis ssp. occidentalis
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Annual, Perennial
Other Names:
Hawksbeard (Crepis spp.)
Hawksbeard, belonging to the genus Crepis, is a diverse group of annual and perennial flowering plants in the Asteraceae family.
Considerations for Pets
- Some species have sap or substances that may cause mild irritation if ingested or come into contact with skin.
Considerations for Children
- Some species have sharp edges or small parts that may pose a risk to young children.
Taxonomy and Nomenclature
- Genus: Crepis
- Family: Asteraceae (daisy, composite, or sunflower family)
- Species Examples:
- Crepis occidentalis (Largeflower Hawksbeard, Western Hawksbeard, Gray Hawksbeard)
- Subspecies: Crepis occidentalis ssp. conjuncta
- Subspecies: Crepis occidentalis ssp. pumila
- Crepis bakeri (Baker's Hawksbeard)
- Crepis rubra (Pink Hawksbeard)
- Crepis tectorum (Narrowleaf Hawksbeard, Narrow-leaved Hawk's-beard)
- Crepis capillaris (Smooth Hawksbeard)
- Crepis nana (Dwarf Hawksbeard)
- Crepis occidentalis (Largeflower Hawksbeard, Western Hawksbeard, Gray Hawksbeard)
Common Names
- Hawksbeard
- Hawk's-beard
- Largeflower Hawksbeard
- Western Hawksbeard
- Gray Hawksbeard
- Narrowleaf Hawksbeard
- Narrow-leaved Hawk's-beard
- Beaked Hawksbeard
Distribution and Habitat
- Crepis tectorum (Narrowleaf Hawksbeard) has an original stand in Finland.
- Triglav Hawksbeard grows in shallow scree, including areas of the Alps in Switzerland and Italy.
- Crepis capillaris (Smooth Hawksbeard) is native to Europe.
- Crepis occidentalis (Western Hawksbeard) is a low, foothills plant.
Morphological Characteristics
- Crepis tectorum grows to 30–100 centimetres (12–39 in).
- Hawksbeard has basal rosettes from which flower shoots grow in spring.
- Flower heads are large, solitary, and dandelion-like, 2.5 – 4 cm across.
- Crepis occidentalis (Western Hawksbeard) has large flowers.
- Triglav Hawksbeard has golden yellow, linguiform flowers in a relatively large inflorescence.
- Some species have leaves that are lightly covered with gray hairs and sparse yellow to black bristles, lobed into wide-toothed segments.
Ecological Role
- Tapertip hawksbeard leaves are consumed by pre-laying sage grouse hens.
- Uroleucon grossum (Large hawksbeard aphid) feeds on smooth hawk's-beard (Crepis capillaris).
Quirky Facts
- Some Hawksbeard flowers can be mistaken for dandelions, until the plants grow larger.