Calystegia macrostegia (Greene) Brummitt

California/Coast Morning-Glory
Convolvulaceae

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Protologue: Ann. Missouri Bot. Gard. 52: 214 (1965)
Pronunciation: Ca-ly-stè-gi-a ma-cro-stè-gi-a
Etymology: Gr. kalux, "cup," and stegos, "a covering" + large covering, both referring to the epicalyx


Note: Taxonomy uncertain. Several infraspecies recognized. Treated as Convolvulus cyclostegius var. aridus [but not validly published] in:
Namoff, Sandra. 2017. Hybridization processes, biogeographic patterns and taxonomic rearrangements within Calystegia (Convolvulaceae).
PhD Dissertation, Claremont Graduate University.

Jepson eFlora Treatment

SD County Synoptic Voucher (C. m. subsp. intermedia)

Distribution:
 
Left: S.D. County Plant Atlas (http://sdplantatlas.org). Right: CCH2. Click to see current herbarium records.  




Sprawling vine, twining (in a dextrose orientation) on another plant.
Note plicate, infundibular (funnel-shaped) corolla and sagittate leaves.

Cal Photos images

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