from The American Heritage® Dictionary of the English Language, 5th Edition.
adjective Folded together lengthwise, as certain leaves or certain petals in a bud.
from The Century Dictionary.
To double; fold together.
Doubled or folded over or together.
from the GNU version of the Collaborative International Dictionary of English.
adjective (Bot.) Folded lengthwise along the midrib, the upper face being within; -- said of leaves or petals in vernation or æstivation.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
adjective botany Describing leaves that are folded (doubled) lengthwise
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Latin conduplicātus, past participle of conduplicāre, to double : com-, com- + duplicāre, to double (from duplex, duplic-, double; see dwo- in Indo-European roots).]
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Examples
Cycnia re-appears, it is in fruit, the cotyledons are not conduplicate.
Tagetes, _Sud Buruk_, is a curious genus, on account of its simple tubular involucrum, very entire and pappus florets, conduplicate in aestivation, all florets faeminine are ligulate; are the folded up ones representations of the males?
In a species of _Triumfetta_ (see p. 260), of which I examined dried specimens, the ovary was open and partly foliaceous; it bore on its infolded margins ten erect leaflets, representing so many ovules; each leaflet was conduplicate, the back being turned towards the placenta.
Another filament bore just above the usual joint three leaflets, two lateral ones, somewhat conduplicate, and a third central one, half anther, half leaflet.
The wild plant has fleshy, shining, waved and lobed leaves (the uppermost being undivided but toothed), large yellow flowers, elongated seed-pod, and seeds with conduplicate cotyledons.
When the fides of a leaf converge in parallel lines, fo that the inner leaves are inclofed by the outer ones; which is not the cafe in conduplicate leaves. —
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