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coast range false bindweed

Scientific Name: Calystegia collina ssp. oxyphylla

Family: Convolvulaceae

Category: Dicot

Growth: Vine, Forb/herb

Duration: Perennial

Other Names:

       

Calystegia collina - Coast Range False Bindweed

Calystegia collina, commonly known as Coast Range False Bindweed, is a species of morning glory endemic to the Coast Ranges of northern and southern California.

Taxonomy and Nomenclature

  • Scientific Name: Calystegia collina (Greene) Brummitt
  • Family: Convolvulaceae (Morning Glory Family)
  • Rank: Species
  • Synonyms: None explicitly mentioned, but note the various subspecies.
  • Subspecies:
    • Calystegia collina subsp. collina
    • Calystegia collina subsp. oxyphylla Brummitt
    • Calystegia collina subsp. tridactylosa (Eastw.) Brummitt
    • Calystegia collina subsp. venusta Brummitt
  • Note: The nomenclature reference is Ann. Missi Bot. Gard. 52: 215. 1965.

Distribution and Habitat

  • Endemic to the Coast Ranges of northern and southern California.
  • Also found in the Central Coast Ranges and the Sierra Nevada.
  • Specifically mentioned locations include the Sonoma Coast and Figueroa Mountain Area, CA.
  • Often seen on coastal bluffs and open, brushy slopes.

Morphology and Growth Habits

  • A perennial vine forb/herb.
  • Can reach up to 80 cm in height.
  • The plant in the summer assumes a white coloring.

Ecological Role

  • Considered a "dreadful weed" by some.

Other Calystegia Species Mentioned

  • Calystegia atriplicifolia - Nightblooming False Bindweed
  • Calystegia catesbeiana - Catesby's False Bindweed
  • Calystegia hederacea - Japanese False Bindweed
  • Calystegia longipes - Paiute False Bindweed
  • Calystegia macounii - Macoun's Hedge Bindweed
  • Calystegia malacophylla - Sierra False Bindweed
  • Calystegia macrostegia - Island False Bindweed (also known as California, coast, or wild morning glory)
  • Calystegia purpurata - Pacific False Bindweed

Interactions with Other Organisms

  • Mentioned in the context of weed control with products like Preen Landscape Weed Control Fabric.
  • Blooms around the same time as *Calochortus catalinae* mariposa lilies.

Resources

  • Discover Life (for biology, natural history, ecology, identification, and distribution information).