Lexic.us

Definition of Perennation

1. Noun. The process of living through a number of years (as a perennial plant).

Definition of Perennation

1. [n -S]

Medical Definition of Perennation

1. Survival of a plant for a number of years. To live over from season to season. (09 Oct 1997)

Lexicographical Neighbors of Perennation

Literary usage of Perennation

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Origin of a Land Flora: A Theory Based Upon the Facts of Alternation by Frederick Orpen Bower (1908)
"The method of their perennation is closely connected with their external form. Given a leafy shoot in an underground-growing organism, there are two ways in ..."

2. The Journal of the Manchester Geographical Society by Manchester Geographical Society (1888)
"In the case of perennials, the mode of perennation is an interesting feature for observation, as well as the methods of vegetative propagation. ..."

3. Official Report of the Nature-Study Exhibition and Conferences: Held in the by Nature-Study Exhibition, John Alexander Cockburn, John C. Medd, Royal Botanic Society of London, Nature-Study Exhibition Association (1903)
"To observe the mode of perennation and growth of these trees, the boys collected winter buds in December, and observed the development of the leaves in ..."

4. Report by British Association for the Advancement of Science (1890)
"In the case of perennials, the mode of perennation is an interesting feature for ... Properly to understand perennation the perennating portions must be ..."

5. Science by American Association for the Advancement of Science (1900)
"... factors determining the length of petioles and the size and shape of the leaf. The studies are to be continued. perennation in the stem of Lycopodium ..."

6. Phytopathology by American Phytopathological Society (1917)
"... The perennation of Cronartium ribicola Fisch, on currant. During the summer of 1915 a block of black currants (Ribes nigrum) in a nursery were severely ..."

7. Year Book by Carnegie Institution of Washington (1919)
"No. 269. Johnson, Duncan S. The Fruit of Opuntia fulgida. A Study of perennation and Proliferation in the Fruits of Certain Cactaceae. ..."

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