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Definition of Parietal placentation
1. Noun. Where ovules develop on the wall or slight outgrowths of the wall forming broken partitions within a compound ovary.
Lexicographical Neighbors of Parietal Placentation
Literary usage of Parietal placentation
Below you will find example usage of this term as found in modern and/or classical literature:
1. Structural Botany: Or Organography on the Basis of Morphology. To which is by Asa Gray (1879)
"But a similar condition may equally ar.se from a modification of parietal
placentation, namely, with the margins of the leaves ..."
2. Gray's Botanical Text-book by Asa Gray (1879)
"... even in parietal placentation, — an exceedingly far-fetched supposition.
In later days, the commoner view has regarded ovules as of both origins, ..."
3. Introduction to Structural and Systematic Botany and Vegetable Physiology by Asa Gray (1866)
"... Thrift, &c., this is doubtless a modification of parietal placentation, with
ovules produced only at the bottom. This brings us to the case of compound ..."
4. A General System of Botany Descriptive and Analytical: In Two Parts by Emmanuel Le Maout, Joseph Decaisne, Joseph Dalton Hooker (1876)
"... a one-celled ovary with parietal placentation, numerous pendulous and anatropous
ovules, the fruit a capsule or berry, and a straight axile albuminous ..."
5. Outlines of elementary botany by Alexander Silver (1877)
"This theory applies very well to cases of free central or Mile, bul not so well
to those of parietal placentation. In the Primrose there is an axile ..."
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