ArticleProceedings. Biological sciences2021
Parallel evolution of phenological isolation across the speciation continuum in serpentine-adapted annual wildflowers.
Article in Proceedings. Biological sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 28 citations in OpenAlex.
- Effects of Climate and Water Limitation on Reproductive Traits and Trait Divergence Across Soil Boundaries in a Serpentine-Tolerant Annual Herb.Ecology and evolution · 2026Article
- Introgression despite minimal hybridization: mating system modulates phenotypic associations with introgression in Clarkia.The New phytologist · 2026Article
- Soil, competition, and niche shifts shape the floral mosaic of an annual plant diversity hotspot.American journal of botany · 2026Article
- Fluctuating reproductive isolation and stable ancestry structure in a fine-scaled mosaic of hybridizing Mimulus monkeyflowers.PLoS genetics · 2025Article
- Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns.Nature communications · 2024Article
- The extent of introgression between incipientProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Genetics and the Evolution of Prezygotic Isolation.Cold Spring Harbor perspectives in biology · 2024Review
- Adaptations to the stressful combination of serpentine soils and Mediterranean climate drive plant functional groups and trait richness.Frontiers in plant science · 2023Article
- Hybrid evolution repeats itself across environmental contexts in Texas sunflowers (Helianthus).Evolution; international journal of organic evolution · 2022Article
- Parallel evolution of phenological isolation across the speciation continuum in serpentine-adapted annual wildflowers.Proceedings. Biological sciences · 2021Article
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Authors and funding
2 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Understanding the relative importance of reproductive isolating mechanisms across the speciation continuum remains an outstanding challenge in evolutionary biology. Here, we examine a common isolating mechanism, reproductive phenology, between plant sister taxa at different stages of adaptive divergence to gain insight into its relative importance during speciation. We study 17 plant taxa that have independently adapted to inhospitable serpentine soils, and contrast each with a nonserpentine sister taxon to form pairs at either ecotypic or species-level divergence. We use greenhouse-based reciprocal transplants in field soils to quantify how often flowering time (FT) shifts accompany serpentine adaptation, when FT shifts evolve during speciation, and the genetic versus plastic basis of these shifts. We find that genetically based shifts in FT in serpentine-adapted taxa are pervasive regardless of the stage of divergence. Although plasticity increases FT shifts in five of the pairs, the degree of plasticity does not differ when comparing ecotypic versus species-level divergence. FT shifts generally led to significant, but incomplete, reproductive isolation that did not vary in strength by stage of divergence. Our work shows that adaptation to a novel habitat may predictably drive phenological isolation early in the speciation process.
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