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loosehead sandwort
Scientific Name: Arenaria congesta var. lithophila
Family: Caryophyllaceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Loosehead Sandwort
Learn about the Loosehead Sandwort, a perennial plant with interesting botanical characteristics.
Considerations for Pets
- As a subshrub, it may have a woody base or stem.
Considerations for Children
- While not directly indicated as dangerous, awareness of plant parts is always important.
Scientific Name and Common Names
- Scientific Name: Eremogone congesta lithophila (Note: Some sources list as Arenaria congesta var. subcongesta or Arenaria congesta var. lithophila, see synonyms below.)
- Common Names:
- Loosehead Sandwort
- Rock-loving Sandwort
- Rocky Ground Sandwort
Taxonomy and Nomenclature
- Family: Caryophyllaceae (Carnation Family)
- Synonyms and Alternative Names:
- Arenaria congesta Nutt. var. subcongesta (S. Watson) S. Watson
- Eremogone congesta var. subcongesta
- Arenaria subcongesta Nuttall
- Arenaria congesta var. lithophila (Rydb.) Maguire
- Arenaria congesta var. expansa Maguire
Distribution and Habitat
- The Loosehead Sandwort is native to North America.
- Specifically found in:
- California
- Idaho
- Wyoming
Morphological Characteristics and Growth Habits
- Type: Subshrub, Forb/herb
- Duration: Perennial
- Light Requirements: Requires full sun (Sole pieno), needing at least a few hours of sunlight daily.
- Leaves 3-8 cm long, 0.5-1 mm wide when referred to as Ballhead sandwort: var. congesta
Quirky Facts
- The "loosehead" in its name refers to its inflorescence, which is loosely arranged.
Further Information
- Flora of North America, Vol. 5
- Garden Guides