Muehlenbeckia gracillima Meisn.

Slender, herbaceous, twining perennial. Leaves on slender petioles, ovate-cordate to broad-saggitate, acuminate, membranous; the margins crisped, mostly 2–5 cm long. Perianth succulent at fruiting stage. Care is necessary to avoid confusing this plant with Fallopia convolvulus. Coast. WSF; open forests on rivers; margins of RF. Fl. summer