Learn how to say Perennate correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word perennate:
[no object] (usually as adjective perennating) Botany
(of a plant or part of a plant) live through a number of years, usually with an annual quiescent period:
this marsh plant has perennating buds situated in the mud at the bottom of a pond
early 17th century: from Latin perennat- ‘continued for many years’ (from the verb perennare) + -ate3