Along with the change of seasons from winter to spring comes the anticipation of new growth — it may be seen in the budding of leaves or blooming of early flowers. (allthingsassessment.info)
Other traits reported as changed over time included earlier flowering time, which has resulted in an expanded reproductive period. (sciencedaily.com)
If southern plants needed to flower early in order to survive, for example, Sheth may be able to see noticeable selection of genes involved in early flowering, thereby limiting the genetic variability of this important trait in those southern plants. (sciencedaily.com)