They will test them to make sure they are fully Malus coronaria and not a hybrid variety.

将对它进行检测，以确保它完全是薇科苹果属品种，而不是杂交品种。

It belongs to the rose family.

苹果树属于“薇科”。

If a Malus coronaria is crossbred with a commercial apple tree to make a new hybrid, it would take four or five years for that tree to start producing apples.

如果将薇科苹果属与商业性苹果杂交以培育新的杂交种，那新的杂交种需要四五年的时间才能开始结出苹果。

Van Nocker wants to identify the genes responsible for the coronaria's delayed blooms.

范·诺克想要找出薇科苹果属晚开花的基因。

The late blooming tree is a native Michigan apple tree known by the scientific name Malus coronaria.

这种晚熟的树是一种土生土长的密歇根苹果树，学名叫做薇科苹果属植物。

Malus coronaria is also called sweet crabapple.

薇科苹果属也被称为甘棠。

The Rosaceae family also contains almonds, pears, and apples, lots of other fruits as well.

薇科家族还包括杏仁、梨和苹果，以及其众多水果。

Strawberries are actually part of the rose family from the family Rosaceae.

草莓实际上属于薇科（Rosaceae）中的薇家族。

If that seems surprising, the Rose family is really quite massive.

这或许令人惊讶，但薇科确实非常庞大。

Strawberries, which are rich in vitamin C, are in the genus Frigaria.

富含维生素C的草莓属于薇科下的草莓属。