Definition of Pinnation

1. Noun. (botany) The organisation of a pinnate leaf. ¹



¹ Source: wiktionary.com

Definition of Pinnation

1. [n -S]

Pinnation Pictures

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Lexicographical Neighbors of Pinnation

pinnace
pinnaces
pinnacle
pinnacled
pinnacles
pinnacling
pinnae
pinnal
pinnas
pinnate
pinnate leaf
pinnated
pinnately
pinnatifid
pinnatilobate
pinnation (current term)
pinnations
pinnatipartite
pinnatiped
pinnatipeds
pinnatisect
pinned
pinner
pinners
pinnet
pinnets
pinnie
pinnies
pinniform
pinnigrada

Literary usage of Pinnation

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

1. Science by American Association for the Advancement of Science (1898)
"If it be accepted that the prevalent pinnation of fern leaves is really of very profound significance and indicates the presence among their ancestral ..."

2. The Origin of a Land Flora: A Theory Based Upon the Facts of Alternation by Frederick Orpen Bower (1908)
"240 GL), lobation of the sterile leaf progressing in marked parallelism with branching of the fertile spike: first a simple pinnation, and then an incipient ..."

3. The American Naturalist by American Society of Naturalists, Essex Institute (1902)
"But may there not exist a tendency toward triple pinnation in some of the forms ? ... 3), showing clearly the third degree of pinnation on some of the basal ..."

4. Journal of Morphology by Wistar Institute of Anatomy and Biology (1889)
"The bases of all the mesenteries are dilated somewhat, but in those of the first and second cycle there is no pinnation of the dilated portion, ..."

5. The Bibliographer's Manual of English Literature: Containing an Account of by William Thomas Lowndes (1864)
"... or Hook of Oghams, with a Translation mid Alphabetic Writing, plates. Ei pinnation. on the Origin of Terms of the ..."

6. A Glossary of Botanic Terms, with Their Derivation and Accent by Benjamin Daydon Jackson (1905)
"... not articulated to the common petiole ; Polyt'- omy, (1) in an inflorescence, having more axes than in dichotomy ; (2) a false pinnation ..."

7. Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge by Charles Knight (1840)
"... arc often of very considerable size, and cut hito a multitude of divisions by repeated pinnation—this is especially the case with those of tree-ferns. ..."

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