释义 |
perennate /pəˈrɛneɪt /verb [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...- This is especially true for individuals growing in dense shade, where they seldom reach the reproductive phase before the above-ground parts die at the end of the flowering season, while the rhizome perennates.
- The nitrogen from this source has been shown to be extensively reutilized in the synthesis of proteins in seeds and perennating organs.
- The soil was maintained at 60% field capacity for 6-8 weeks, until plants produced 3-4 new stems from the perennating structure.
Derivativesperennation /pərɛˈnɛɪʃ(ə)n/ noun ...- It argues that this reflects the greater ability of plants to survive environmental stress via losing leaves or even whole branch systems, or by perennation as underground stems, rhizomes or seeds.
- However cutting or incomplete pulling can cause the perennation of the plant such that it branches and becomes enlarged.
OriginEarly 17th century: from Latin perennat- 'continued for many years' (from the verb perennare) + -ate3. |