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dwarf alpine hawksbeard
Scientific Name: Crepis nana ssp. nana
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Askellia pygmaea / Crepis nana - Dwarf Alpine Hawksbeard
Askellia pygmaea, also known as Crepis nana, and commonly called dwarf alpine hawksbeard, is a fascinating plant belonging to the sunflower family.
Taxonomy and Nomenclature
- Scientific Name: Askellia pygmaea (Ledeb.) Sennikov
- Synonym: Crepis nana Richardson
- Common Names: Dwarf alpine hawksbeard, dwarf hawksbeard, low hawksbeard
- Family: Asteraceae (Sunflower Family)
- Genus: Crepis
- Species: nana
- Rank: Species
- Subspecies: Crepis nana var. lyratifolia (Turczaninow) Hultn. and Crepis nana ssp. ramosa and Crepis nana ssp. clivicola
Distribution and Habitat
- Native to Asia and much of northern North America.
- Found in alpine environments, specifically steep alpine scree and talus slopes.
- Observed at elevations between 10,000 and 14,000 feet.
- Specific locations mentioned include Tripoli Mountain (above Cardinal Divide) and Denali National Park (near Eilson Visitor's Center).
- Grows on exposed rocky ridges.
- Found in relatively fine limestone talus.
Morphological Characteristics
- Growth Habit: Forb/herb
- Duration: Perennial
- Characterized by its oval, often red-tinged leaves.
Interactions with Other Organisms
- Observed interaction with the Orange Sulfur Butterfly on Alpine Goldenrod.
Further Information
- USDA Plants Database (Species Code: CRNA)
- Discover Life offers information on the biology, natural history, ecology, identification, and distribution of Crepis nana.