SafePlants

Amsinckia tessellata: Bristly Fiddleneck

Amsinckia tessellata, commonly known as bristly fiddleneck, is a member of the fiddleneck genus. Other common names include tessellate fiddleneck, checker fiddleneck, and devil's lettuce.

Taxonomy and Nomenclature

• Scientific Name: Amsinckia tessellata A. Gray
• Family: Boraginaceae (Borage family)
• Taxonomic Rank: Species
• Synonyms:
  • Amsinckia densirugosa Suksd.
  • Amsinckia hendersonii
• Varieties:
  • Amsinckia tessellata var. gloriosa (Eastw. ex Suksd.) Hoover
  • Amsinckia tessellata var. tessellata

Distribution and Habitat

Amsinckia tessellata is native to much of western North America. It is commonly found in California, Arizona, Oregon, and Washington, as well as Idaho.

Ecological Role

Common fiddleneck is sometimes described as an introduced annual weed. However, it has also demonstrated utility in restoration projects, potentially inhibiting the establishment of invasive species like medusahead.

Morphological Characteristics and Growth Habits

• Amsinckia tessellata is an annual forb, growing up to 0.6 meters (2 feet) tall.
• It features lanceolate leaves and an upright growth habit.
• The stems and leaves are covered in tiny bristly hairs.
• It typically flowers from July to September.
• Each flower produces 4 seeds loosely enclosed in an expanded bristly calyx.

Quirky Facts

• The plant is called "fiddleneck" because the coiled shape of its inflorescence resembles the head of a fiddle.

Interactions with Other Organisms

Amsinckia tessellata is described as being "very bristly," which may affect its interactions with herbivores and other animals.

Further Information

• Dave's Garden: A website with tips and ideas for gardens, along with seeds and plants.
• CalPhotos: A database of plant photos.
• United States Department of Agriculture plants database.