Claim · model-written summary
A shift early in development in the ovule-to-ovary size allometry governs the transition from single- to multi-ovulate state in Phlox.
PhloxVerbatim
e0“wildflower genus Phlox”
e1“We show that a dramatic shift at the earliest stages of development in the allometric relationship between ovule size and ovary size governs the transition from a single-ovulate to a multi-ovulate state”
Title
Evolution of discrete reproductive strategies in Phlox (Polemoniaceae)
Bickner, Bridget Marie Digital Access to Scholarship at Harvard (DASH) (Harvard University) 2026
Other claims from this paper (5)
- Association A larger ovary yields a larger, single seed in the other developmental trajectory.
- Mechanism A single mechanism appears to underlie variation in the size and number of both seeds and ovules (author interpretation).
- Observation Most measured traits in the Phlox drummondii x P. roemeriana F2 population show unimodal distributions, consistent with multiple loci.
- Association Ovary size, ovule number, flower size and flower number are significantly correlated among F2 plants.
- Observation Environmental variation alone cannot explain phenotypic differences in Phlox longifolia across 102 populations.