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A highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence
Answer for the clue "A highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence ", 9 letters:
involucre
Word definitions for involucre in dictionaries
WordNet
Word definitions in WordNet
n. a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence [also: involucra (pl)]
Wiktionary
Word definitions in Wiktionary
n. (context botany English) Conspicuous bract, bract pair or ring of bracts at the base of an inflorescence.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Involucre \In"vo*lu`cre\ (?; 277), n. [L. involucrum a covering, wrapper, fr. involvere to wrap up, envelop: cf. F. involucre. See Involve .] (Bot.) A whorl or set of bracts around a flower, umbel, or head. A continuous marginal covering of sporangia, in ...
Wikipedia
Word definitions in Wikipedia
In general, an involucre is a covering. It may refer to: in flowering plants: an involucral bract , or a pair, whorl or other collection of such bracts, surrounding an inflorescence, particularly in: Asteraceae (Compositae) Apiaceae (Umbelliferae) Euphorbiaceae ...
Usage examples of involucre.
In addition special involucres around the archegonia have arisen independently in several series.
The archegonia are protected by being sunk in depressions of the disk or by a special two-lipped involucre.
The small thallus bears the antheridia and archegonia, each of which is surrounded by a tubular involucre, on the upper surface of distinct individuals.
The essential character of the genus is an involucre (the enveloping outer leaves of the composite heads of flowers) consisting of a single series of scales of equal length.
The flowers are without the spreading outer rays of the Greater Knapweed, the florets being all tubular, which makes the black fringes to the bracts of the involucre most noticeable, hence the name of the species.