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oneleaf onion
Scientific Name: Allium unifolium
Family: Liliaceae
Category: Monocot
Growth: Forb/herb
Duration: Perennial
Other Names:
One-Leaf Onion (Allium unifolium)
The One-Leaf Onion, scientifically known as Allium unifolium, is a captivating wild onion species native to specific regions of North America. It's admired for its ornamental qualities and delicate beauty.
Considerations for Pets and Children
- This plant is a bulbous perennial.
- It forms clumps of grass-like leaves.
Taxonomy and Nomenclature
- Scientific Name: Allium unifolium Kellogg
- Common Names: One-leaf Onion, Oneleaf Onion, Pink Meadow Onion, American Garlic
- Family: Liliaceae
Distribution and Habitat
- Native to the coastal mountain ranges of California and Oregon.
Morphological Characteristics
- Forms clumps of grass-like, slightly flattened leaves that can reach up to 16 inches in height.
- Features taller stalks bearing an umbel (a flower cluster where stalks radiate from a single point).
- Produces pale purple or rose-pink, star-shaped flowers in late spring.
- Plant height is about 12 inches with a flower height of 24 inches, and a spread of 12 inches.
- It is a bulbous perennial with strap-shaped leaves.
- Summer dormant
Quirky Facts
- It is one of the prettiest onions around, due to the tapered shape of the filaments.
Additional Information
- The California Academy of Sciences holds detail records of Allium unifolium.
- Fact sheets including distribution and classification information are available on the USDA Plants Database (http://plants.usda.gov/java/profile?symbol=ALUN).