Many endospermic seeds ( e . g . cereals and oil seeds ) are cultivated for their food reserves 许多有胚乳种子（如谷类和油料种子）是由于其营养物质而专门栽植的。
2.
In nonendospermic seeds most of the endosperm is absorbed by the developing embryo and the food stored in the cotyledons 在无胚乳种子胚的发育过程中，大部分胚乳被吸收，养料储存在子叶中。
3.
In endospermic seeds the endosperm replaces the nucellus and is often a rich source of growth - regulating substances 在有胚乳种子中，胚乳取代珠心，成为生长调节物质（应为营养物质译者注）的丰富来源。
