Definition, Meaning & Anagrams | English word ANTHESIS

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Definitions of ANTHESIS

1. (botany) The event of a flower opening.

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Examples of Using ANTHESIS in a Sentence

• The inflorescence has two ovate bracts that enclose the flowers before they open and fall away at anthesis.
• The prophyll covers the flowers on the inflorescence until the sexual phase (anthesis) and then splits open apically into two triangular lobes.
• As with most other Proteaceae, each flower consists of a perianth comprising four united tepals, and a single pistil, the style of which is initially enclosed within the limb of the perianth, but breaks free at anthesis.
• As with most other Proteaceae, each flower consists of a perianth comprising four united tepals, and a single pistil, the style of which is initially enclosed within the limb of the perianth, but breaks free at anthesis.
• Protogynous and autocompatible flowers, with a reduction in selfing through herkogamy, diurnal synchronization of anthesis and the tendency of the same plant to not flower on two consecutive days.
• At the onset of anthesis, the pedicel rises above the leaves, but once the flower is pollinated, the pedicel elongates and declines below the leaves.
• As with most banksias, in anthesis the opening of the individual buds proceeds up the flower spike from the base to the top (acropetal).
• Flowers bisexual, sessile or conspicuously pedicellate; sepals free; petals free, threefold with a double perianth, with basal appendages, often spirally recurved at anthesis; stamens free or adnate to the petals, the anthers without appendages; inferior ovary.
• The inflorescences in axillary, paniculata so capitated, the tepals generally the same, with three stamens, the anthers exserted or included at anthesis, filaments free or fused.
• The limbs (upper part of spathes) drop off during staminate anthesis, leaving the persistent funnel-shaped lower part of the spathe.
• Before anthesis, the opening of the flower, the anther opens and the pollinia directly sink onto the stigmatic surface.
• In this groundbreaking study, the authors scored days to silking, days to anthesis, and the silking-anthesis interval for nearly one million plants, then performed single and joint stepwise regression and inclusive composite interval mapping (ICIM) to identify 39 QTLs explaining 89% of the variance in days to silking and days to anthesis and 29 QTLs explaining 64% of the variance in the silking-anthesis interval.
• 4 cm wide, dense lepidota indument, foliaceous bracts; compound inflorescence (of simple appearance due to the reduction of the spikes to 1 flower), with 1–3 flowers, primary foliaceous bracts, much longer than the spikes, floral bracts 3 cm long, longer than the sepals and covering them in the anthesis, ecarinated, inconspicuously nervate, glabrous, membranous, sessile flowers; sepals are 2 cm long, free, the posterior carinate, the anterior ecarinated; purple petals.
• Other anatomically separating features are generally faint secondary veins of leaflet blades, especially adaxially, with 7-15 on each side of midvein; the anthers of the male flowers are yellow before anthesis; and the gynoecium of the female flowers is 1-3-carpelled.
• Diervilla lonicera has protogynous flowers (initially female-dominant plant), is well-adapted for pollination, and its stigmas remain receptive after anthesis (fully functioning flower).
• Pseudowintera axillaris flowers remain on the plant for 7–11 days and the stigmatic crests are responsive in the course of early anthesis, secreting a small supply of nectar, during the last days of flowering the anthers shed pollen.

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