Houseplant

Noun

1. A plant that is grown indoors in places such as a house or office for decorative purposes.

   "Herbert thought that adding some houseplants would brighten up his desk."

2. A variety of plant that is especially suited to such cultivation, or that is frequently grown in such settings.

   ""I always thought a begonia was a houseplant!" exclaimed Sue, staring at the towering tropical specimen."