Anthesis is the period during which a flower is fully open and functional. It may also refer to the onset of that period.

The onset of anthesis is spectacular in some species. In "Banksia" species, for example, anthesis involves the release of the style end from the upper perianth parts. Anthesis of flowers is sequential within an inflorescence, so when the style and perianth are different colours, the result is a striking colour change that gradually sweeps along the inflorescence.

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  • anthesis — (n.) full bloom, 1835, from Gk. anthesis, noun of action from antheein to blossom, from anthos flower, (see ANTHER (Cf. anther)) …   Etymology dictionary

  • anthesis — [an thē′sis] n. [Gr anthēsis < anthein, to bloom < anthos: see ANTHO ] the state of full bloom in a flower …   English World dictionary

  • Anthesis — An*the sis, n. [Gr. ? bloom, fr. anqei^n to bloom, a nqos flower.] (Bot.) The period or state of full expansion in a flower. Gray. [1913 Webster] …   The Collaborative International Dictionary of English

  • anthesis — noun Etymology: New Latin, from Greek anthēsis bloom, from anthein to flower, from anthos Date: circa 1823 the action or period of opening of a flower …   New Collegiate Dictionary

  • anthesis — /an thee sis/, n., pl. antheses / seez/. Bot. the period or act of expansion in flowers, esp. the maturing of the stamens. [1825 35; < NL < Gk ánthesis bloom, equiv. to anthe (verbid s. of antheîn to bloom) + sis SIS] * * * …   Universalium

  • anthesis — [an θi:sɪs] noun Botany the flowering period of a plant, from the opening of the flower bud. Origin C19: from Gk anthēsis flowering …   English new terms dictionary

  • anthesis — an•the•sis [[t]ænˈθi sɪs[/t]] n. pl. ses ( sēz). bot the period of blooming in flowers, esp. the maturing of the stamens • Etymology: 1825–35; < NL < Gk ánthēsis bloom =anthē , var. s. of antheîn to bloom + sis sis …   From formal English to slang

  • anthesis — noun The event of a flower opening …   Wiktionary

  • anthesis —   Developmental stage in flowering, in which a flower is at its most receptive state, when the anthers release their pollen and pollination occurs; could also be used to refer to cycad cones that are dehiscing pollen (male cones) or receptive to… …   Expanded glossary of Cycad terms

  • anthesis — an·the·sis …   English syllables

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