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island false bindweed

Scientific Name: Calystegia macrostegia ssp. arida

Family: Convolvulaceae

Category: Dicot

Growth: Vine, Forb/herb

Duration: Perennial

Other Names:

       

Calystegia macrostegia: Island False Bindweed

Calystegia macrostegia, belonging to the Convolvulaceae (Morning Glory) family, is known by several common names, including island false bindweed, island morning glory, California morning glory, and woody morning glory.

Taxonomy and Nomenclature

  • Scientific Name: Calystegia macrostegia (Greene) Brummitt
  • Family: Convolvulaceae (Morning Glory family)
  • Synonyms: = Calystegia macrostegia (Greene) Brummitt
  • Subspecies include:
    • Calystegia macrostegia ssp. cyclostegia (House) Brummitt
    • Calystegia macrostegia ssp. intermedia (Abrams) Brummitt
    • Calystegia macrostegia ssp. tenuifolia
    • Calystegia macrostegia ssp. amplissima
    • Calystegia macrostegia ssp. macrostegia

Distribution and Habitat

  • Calystegia macrostegia is native to Southern and Central California.
  • Specifically found in the California coastal sage and chaparral ecoregion.
  • It is also native to the Channel Islands and Baja California.

Morphological Characteristics and Growth Habits

  • This plant is a perennial herb or vine.
  • It can be described as a forb/herb with a vine growth habit.
  • The aerial parts of the plant may die back during colder months, with regrowth occurring in spring.

Quirky Facts

  • Several varieties are recognized, with those from islands often exhibiting distinct characteristics.

Further Information

  • Discover Life offers a page dedicated to the biology, natural history, ecology, identification, and distribution of Calystegia macrostegia.