Any of various tropical American vines of the genus Vanilla in the orchid family,especially V. planifolia,cultivated for its long narrow seedpods from which a flavoring agent is obtained.

• 香草，香子兰兰花科中各种各样香子兰属的美洲热带藤本植物中的一种，尤其是扁叶香子兰，因其可提取调味剂的细长心皮而培育。