bract

(redirected from Involucral bract)
Also found in: Dictionary, Thesaurus, Medical.
Related to Involucral bract: bracteole

bract

a specialized leaf, usually smaller than the foliage leaves, with a single flower or inflorescence growing in its axil

Bract

 

a leaf in whose axil the flower develops; a leaf enveloping a flower shoot. Bracts are smaller than ordinary leaves and are reduced. Only in a few plants, such as sage, are they large and colorful. Sometimes, for example, in Cruciferae and dill, the bracts fall early.

bract

[brakt]
(botany)
A modified leaf associated with plant reproductive structures.
References in periodicals archive ?
Capitulum: A condensed type of indeterminate inflorescence in which all of the flowers are sessile and are located on a receptacle and are subtended involucral bracts (phyllaries).
Despite the reduction in flower number, primary capitula in such a syncephalium retain their individual involucral bracts, an indication of their true nature.
Fresh involucral bracts (12 kg) were cut into pieces and repeatedly extracted with EtOH (4 X 51) at room temperature.
30-55 cm long), involucral bracts and primary bracts green or sometimes reddish at their distal portion (vs.