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DescriptionGlabrous perennial climber, woody at the base. Leaves spade to kidney-shaped, green above, pale greyish below. Flowers solitary, axillary. Perianth heart-shaped, maroon with white markings; tubular throat twisted and inflated. Fruit a pendent, 6-ribbed, sausage-shaped capsule, brown when ripe, splitting while remaining on the plant, forming a "hanging basket". The plants are poisonous.