from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A series of bracts beneath or around a flower or flower cluster.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Conspicuous bract, bract pair or ring of bracts at the base of an inflorescence.
from the GNU version of the Collaborative International Dictionary of English
- n. A whorl or set of bracts around a flower, umbel, or head.
- n. A continuous marginal covering of sporangia, in certain ferns, as in the common brake, or the cup-shaped processes of the filmy ferns.
- n. The peridium or volva of certain fungi. Called also involucrum.
from The Century Dictionary and Cyclopedia
- n. In botany, any collection of bracts round a cluster of flowers.
- n. In anatomy, a membranous envelop. as the pericardium.
- n. 3, In zoology, an involucrum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence
In this way they form a kind of involucre around the central parts.
The involucre-scales are sometimes delicately rose-coloured.
¿Por qué el doctor José Vicente Rangel no tiene nada que lo involucre en los hechos que ocurrieron el 11 de abril cuando todos sabemos cual fue su actuación?...
ANTHEMOIDES, D.C., with the leaves pubescent and the scales of the involucre paler.
The involucre is very remarkable, monophyllous, broad at top and 6 or 8-cleft, almost wholly concealing the calyx. —
Senegambia, but less glabrous, and with the leaflets of the involucre much larger.
New methods of gathering the nuts after they fall from the involucre or husk are being discovered and improved by the western growers from time to time, so that the old expensive method of hand-picking is being eliminated.
"Filbert" is a corruption of "full beard," and refers to the involucre extending beyond the nut.
In these the involucre is little altered, and the receptacle is attacked by larva.
I observed to - day a curious monstrosity of an Umbelliferous plant, in which the rays of the umbellules are soldered together; forming an involucre round the immersed central solitary female, the male flowers forming the extreme teeth of the involucre.