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island false bindweed

Scientific Name: Calystegia macrostegia ssp. macrostegia

Family: Convolvulaceae

Category: Dicot

Growth: Vine, Forb/herb

Duration: Perennial

Other Names:

       

Calystegia macrostegia (Island False Bindweed, Island Morning Glory)

Calystegia macrostegia, commonly known as Island False Bindweed or Island Morning Glory, is a fascinating perennial herb or vine belonging to the Morning Glory family (Convolvulaceae). This species adds beauty to the California landscape and has garnered attention from gardeners and botanists alike.

Considerations for Pets

  • As a vine, Calystegia macrostegia may present a risk of entanglement for small pets.

Taxonomy and Nomenclature

  • Scientific Name: Calystegia macrostegia (Greene) Brummitt
  • Family: Convolvulaceae (Morning Glory Family)
  • Common Names: Island False Bindweed, Island Morning Glory, Woody Morning Glory, California Morning Glory, Wild Morning Glory, South Coast Morning Glory
  • 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, as well as Northern California.
  • It is particularly prevalent in the California coastal sage and chaparral ecoregion.
  • The species is also found on the Channel Islands and Baja California.

Morphological Characteristics and Growth Habits

  • Calystegia macrostegia is a perennial herb or vine, meaning it lives for more than two years.
  • It is a twining vine.
  • The plant loses its aerial parts during the coldest months, with stems and leaves quickly regenerating in the spring.

Related Species and Genera

  • The genus Calystegia contains approximately 25 species, including other notable species like Calystegia sepium (Hedge False Bindweed), Calystegia longipes, Calystegia macounii, and Calystegia spithamaea.

Further Information

  • Discover Life provides a page about the biology, natural history, ecology, identification, and distribution of Calystegia macrostegia.