Any of various mostly trailing or twining plants of the widespread genus Convolvulus,having funnel-shaped flowers and including several weeds and a few grown as ornamentals.

• 旋花任一种分布广泛的旋花属的通常为蔓生或对生的植物，开有漏斗状花朵，包括几种野草和几种作为观赏植物栽培的植物。