Answer: tradescantias

AnswerCrossword Clue
tradescantiasAn American plant with triangular three-petaled flowers, esp. a tender kind widely grown as a houseplant for its trailing, typically variegated, foliage
tradescantiasTRADESCANTIA, any plant of the American Tradescantia genus, with attractive, often variegated foliage, aka spiderwort