anthesis
/æn'θi:sis/
Học thuậtThân thiện
Definition
Noun: 1. The time and process of budding and unfolding of blossoms: In botany, anthesis refers to the specific period or the developmental sequence during which a flower bud opens and becomes functional. It marks the transition from a closed bud to an open flower, which is often when pollination occurs.
Usage
- General Usage: The term is used in botanical and scientific contexts to describe a precise stage in a plant's reproductive cycle.
- Example: "The anthesis of the cherry blossoms typically occurs in early spring."
- Example: "Researchers studied the environmental triggers that control the anthesis of this species."
Advanced Usage
- In Scientific Literature: The term is often used to denote the period of maximum pollen release or stigma receptivity.
- Example: "The study recorded the exact hour of anthesis to correlate it with pollinator activity."
- Phenological Studies: Used to track the timing of flowering in relation to climate.
- Example: "Data on anthesis dates are crucial for understanding the impacts of climate change on plant phenology."
Variants and Related Words
- Anthesise/Anthesize (verb, rare): To undergo or reach anthesis.
- Example: "The flowers will anthesize under these specific light conditions."
- Pre-anthesis (adj.): Referring to the period or stages before flowering.
- Example: "Pre-anthesis drought stress can significantly reduce crop yield."
- Post-anthesis (adj.): Referring to the period or stages after flowering.
- Example: "Post-anthesis grain filling is a critical phase for wheat."
Synonyms
- Flowering (n.): The process or period of producing flowers. (Note: "Flowering" is a broader term that can encompass the entire process, while "anthesis" is more specific to the opening event.)
- Blooming (n.): The state or period of being in flower.
- Efflorescence (n.): The process of flowering or blossoming. (More formal/literary)
Antonyms
- Senescence (n.): The process of deterioration with age, such as the wilting and dying of flowers.
- Abscission (n.): The natural detachment of parts of a plant, typically dead leaves and ripe fruit, but can also refer to flower drop before or after anthesis.
Related Phrases and Terms
- Time of anthesis: A common phrase specifying the exact timing of flower opening.
- Example: "The time of anthesis varies among cultivars."
- Peak anthesis: The period when the majority of flowers in a population are open.
- Example: "Peak anthesis for this meadow occurs in mid-July."
- Synchronized anthesis: When flowers open simultaneously.
- Example: "Synchronized anthesis increases the chances of cross-pollination."
Noun
- the time and process of budding and unfolding of blossoms