A pattern of unique embryogenesis occurring via apomixis in Carya cathayensis
Apomixis represents an alteration of classical sexual plant reproduction to produce seeds that have essentially clonal embryos.In this report, hickory (Carya cathayensis Sarg.), which is an important oil tree, is identified as a new apomictic species.The ovary has a chamber containing one ovule that is unitegmic and orthotropous.Embryological inves