
Appearance
''Calystegia macrostegia'' is a woody perennial herb or small shrub which may be a low herbaceous vine or a stout, woody, climbing plant which can approach 9 metres in length. The triangular leaves may be over 10 centimeters wide.The vine produces white, to very pale pink, to lavender blooms, often according to drought or temperature. The corollas are 2–6 centimetres or more in width.
Naming
Subspecies include:⤷ ''Calystegia macrostegia'' ssp. ''amplissima''
⤷ ''Calystegia macrostegia'' ssp. ''arida''
⤷ ''Calystegia macrostegia'' ssp. ''cyclostegia''
⤷ ''Calystegia macrostegia'' ssp. ''intermedia''
⤷ ''Calystegia macrostegia'' ssp. ''macrostegia''
⤷ ''Calystegia macrostegia'' ssp. ''tenuifolia''
Distribution
The plant is native to California coastal sage and chaparral habitats, along the coasts in Southern California and into Baja California, Mexico.It is found on all the Channel Islands, source of its common names. It is also commonly found in the Peninsular Ranges, Transverse Ranges, and Outer Southern California Coast Ranges.
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