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Definition of Perfoliate
1. Adjective. (of a leaf) having the base united around (and apparently pierced by) the stem.
Definition of Perfoliate
1. a. Having the basal part produced around the stem; -- said of leaves which the stem apparently passes directory through.
Definition of Perfoliate
1. Adjective. (botany of leaves) Appearing to have the stem passing through the blade. ¹
¹ Source: wiktionary.com
Definition of Perfoliate
1. [adj]
Medical Definition of Perfoliate
1. Of a sessile leaf or bract, having its base completely wrapped around the stem. (09 Oct 1997)
Lexicographical Neighbors of Perfoliate
Literary usage of Perfoliate
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)
"Connate and perfoliate Leaves. These are explained by the . union .of contiguous
leaf-edges. Peltate leaves, to which a paragraph has already been given ..."
2. Pharmaceutical Botany by Heber Wilkinson Youngken, Francis Edward Stewart (1914)
"When the base of a sessile leaf is extended completely around the stem it is
perfoliate, the stem appearing to pass through the blade. ..."
3. Botany of the Southern States by John Darby (1860)
"perfoliate, when the stem appears to pass through the leaf, ... perfoliate leaf,
caused by the union of the lobes of the leaf. as Fig. ..."
4. A Contribution to Our Knowledge of Seedlings by John Lubbock (1892)
"Cotyledons linear-oblong, obtuse, fleshy, flattened above, convex beneath, connate
and perfoliate at the base, green often suffused with red, 6 mm. long, ..."
5. The Plant World by Plant World Association, Wild Flower Preservation Society (U.S.) (1907)
"... comes into bloom higher on the slopes among the oaks, the bases of the opposite
leaves being so fully joined together as to be perfoliate. ..."
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