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Letter

Nature Genetics 40, 1489–1492 (1 December 2008) | doi:10.1038/ng.253

Flowering-time genes modulate meristem determinacy and growth form in Arabidopsis thaliana

Siegbert Melzer , Frederic Lens , Jer|[ocirc]|me Gennen , Steffen Vanneste , Antje Rohde & Tom Beeckman

Plants have evolved annual and perennial life forms as alternative strategies to adapt reproduction and survival to environmental constraints. In isolated situations, such as islands, woody perennials have evolved repeatedly from annual ancestors.