Baum D A, Whitlock B A
Department of Organismic and Evolutionary Biology, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts 02138, USA.
Curr Biol. 1999 Jul 15;9(14):R525-7. doi: 10.1016/s0960-9822(99)80327-3.
A recent study of the expression of floral organ identity genes in buttercups, poppies and their relatives has shed light on the evolutionary origin of petals.
最近一项关于毛茛、罂粟及其亲缘植物花器官特征基因表达的研究,揭示了花瓣的进化起源。