Floral Longevity and Reproductive Strategies in Plant Systems

Floral longevity—the duration from flower opening to senescence—plays a pivotal role in the reproductive success of angiosperms by balancing the benefits of extended pollinator attraction against the physiological and ecological costs of maintenance. Longer‐lived flowers may accrue greater pollination opportunities under conditions of low pollinator abundance or unpredictable climates, yet this extension demands increased investment in water, nutrients and structural support. Conversely, brief anthesis can minimise resource expenditure when pollinators are plentiful or environmental stressors such as drought and high temperatures predominate. Plant species have evolved an array of reproductive strategies to optimise this trade-off, including temporal separation of male and female phases (dichogamy), autonomous selfing as a form of reproductive assurance, dynamic petal movements to protect reproductive organs, and architectural specialisations that influence floral display and resource allocation. These strategies are shaped by ecological context—from urban habitats with diminished pollinator networks to specialised pollination systems involving deception or trapping—and hold significance not only for fundamental understanding of plant evolution but also for applied fields such as horticulture, conservation and crop improvement under climate change.

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Floral Longevity and Reproductive Strategies in Plant Systems publication trend

The graph below shows the total number of articles in floral longevity and reproductive strategies in plant systems across all publications each year (not limited to Nature Index journals).

Technical terms

Floral longevity: The total duration from flower opening (anthesis) to wilting or petal drop, reflecting the time window for pollination.

Anthesis: The period or event of a flower opening and becoming receptive to pollination.

Dichogamy: Temporal separation of male and female reproductive phases within a single flower to reduce self‐pollination and promote outcrossing.

Autonomous selfing: Self‐pollination that occurs without the intervention of pollinators, providing reproductive assurance when outcross pollen is scarce.

References

1. Urban environment decreases pollinator availability, fertility, and prolongs anthesis in the field bindweed (Convolvulus arvensis Linnaeus, 1753). Plant Signaling & Behavior (2024).
2. Complementary water and nutrient utilization of perianth structural units help maintain long floral lifespan in Dendrobium. Journal of Experimental Botany (2022).
3. Changes in female function and autonomous selfing across floral lifespan interact to drive variation in the cost of selfing. American Journal of Botany (2022).