The Morning-glory Family in the Columbia River Gorge of Oregon and Washington

Convolvulaceae

Nightblooming False Bindweed, Night-blooming Bindweed, Night-blooming Morning-glory: Calystegia atriplicifolia ssp. atriplicifolia (Synonym: Convolvulus nyctagineus) - Native plants on dry, open slopes east of the Cascades. Bracts broader, often heart-shaped and close to or concealing the calyx. Stems erect to trailing, but not twining. Leaf blades 3-5 cm long. Corolla white to pinkish-tinged, 3-5 cm long.

Chaparral False Bindweed, Pale Morning Glory: Calystegia occidentalis ssp. occidentalis (Synonyms: Calystegia occidentalis var. occidentalis, Calystegia polymorpha, Convolvulus occidentalis, Convolvulus occidentalis ssp. fruticetorum, Convolvulus polymorphus) -

Hedge Bindweed, Hedge False Bindweed, Lady's Nightcap: Calystegia sepium ssp. angulata (Synonyms: Calystegia sepium, Calystegia sepium var. angulata, Calystegia sepium var. repens, Convolvulus repens, Convolvulus sepium, Convolvulus sepium var. communis, Convolvulus sepium var. repens) - Weedy species. Bracts broader, often heart-shaped and close to or concealing the calyx. Stems twining about other vegetation. Leaf blades 5-12 cm long. Corolla white to deep pink, 4-7 cm long.

Field Bindweed, Field Morning-glory Convolvulus arvensis (Synonyms: Convolvulus ambigens, Convolvulus incanus, Strophocaulos arvensis) - Weedy species. Bracts linear, often distant from the calyx. Corolla white to poinkish-purple, 1.5-2.5 cm long.

Dodder: The Genus Cuscuta - Parasitic.