Hedge False Bindweed - Calystegia sepium
Other Names:
Hedge Bindweed, Wild Morning-glory, Bugle Vine, Heavenly Trumpets,
Convolvulus sepium
Rhizomatous perennial. Stems prostrate or twining, 1–3 m long. Herbage glabrous to sparsely pubescent. Leaves sagittate, acuminate, cordate-based, 3–8 cm long; petiole 1–7 cm long. Flowers solitary; peduncle 1–10 cm long; calyx 8–17 mm long, the segments lanceolate, completely enveloped by 2 subtending, leaf-like bracts; corolla white, 3–7 cm long; stigmas 2-lobed, stamens included. Capsule ca. 1 cm long, 1-locular (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Montana specimens are of subspecies
angulata which is considered native in the United States of America (Giblin et al. [eds.] 2018).