Calystegia R.Br. >

Bracteoles 2, enlarged, enclosing the calyx. Capsule 1 or incompletely 2-locular Calystegia
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Leaves not reniform
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Corolla 4–7 cm long
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Bracteoles narrow-ovate to ovate, c. 1 cm wide, flat but very slightly keeled at the base, not inflated, not overlapping at flowering. Leaves ovate-cordate to lanceolate, hastate, acute-acuminate, mostly 5–10 cm long. Prostrate or twining herb. Coast. Weed of cultivation and waste places. Fl. spring–summer Calystegia sepium