''Calystegia macrostegia'', with the common names island false bindweed and island morning glory, is a species of morning glory in the family Convolvulaceae.

Distribution

The plant is native to California coastal sage and chaparral habitats, along the coasts in

Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most po ...

and into

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

, Mexico. It is found on all the

Channel Islands The Channel Islands ( nrf, Îles d'la Manche; french: îles Anglo-Normandes or ''îles de la Manche'') are an archipelago in the English Channel, off the French coast of Normandy. They include two Crown Dependencies: the Bailiwick of Jersey, ...

, source of its common names. It is also commonly found in the

Peninsular Ranges The Peninsular Ranges (also called the Lower California province) are a group of mountain ranges that stretch from Southern California to the southern tip of the Baja California peninsula; they are part of the North American Coast Ranges, which ...

Transverse Ranges The Transverse Ranges are a group of mountain ranges of southern California, in the Pacific Coast Ranges physiographic region in North America. The Transverse Ranges begin at the southern end of the California Coast Ranges and lie within Santa B ...

, and Outer Southern

California Coast Ranges The Coast Ranges of California span from Del Norte or Humboldt County, California, south to Santa Barbara County. The other three coastal California mountain ranges are the Transverse Ranges, Peninsular Ranges and the Klamath Mountains. P ...

Description

''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 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 or more in width.

Subspecies

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''

Cultivation

''Calystegia macrostegia'' is cultivated as an

ornamental plant Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that i ...

, used as a

vine A vine (Latin ''vīnea'' "grapevine", "vineyard", from ''vīnum'' "wine") is any plant with a growth habit of trailing or scandent (that is, climbing) stems, lianas or runners. The word ''vine'' can also refer to such stems or runners themselv ...

and

groundcover Groundcover or ground cover is any plant that grows over an area of ground. Groundcover provides protection of the topsoil from erosion and drought. In an ecosystem, the ground cover forms the layer of vegetation below the shrub layer known as t ...

native plant In biogeography, a native species is indigenous to a given region or ecosystem if its presence in that region is the result of only local natural evolution (though often popularised as "with no human intervention") during history. The term is equ ...

, drought tolerant, and

wildlife garden A wildlife garden (or wild garden) is an environment created by a gardener that serves as a sustainable haven for surrounding wildlife. Wildlife gardens contain a variety of habitats that cater to native and local plants, birds, amphibians, rep ...

s.Las Pilitas Horticulture Database: ''Calystegia macrostegia'' (Island Morning Glory)
/ref> It is a pollinator plant for native bee species.

References

External links

Calflora Database: ''Calystegia macrostegia'' (island morning glory, island false bindweed)Jepson Manual eFlora treatment of ''Calystegia macrostegia''U.C. Photos gallery
— ''Calystegia macrostegia'' macrostegia Flora of California Flora of Baja California Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the Channel Islands of California Natural history of the Peninsular Ranges Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Garden plants of North America Drought-tolerant plants Vines Flora without expected TNC conservation status {{Solanales-stub