Citrus japonica 'Japonica' (common name: Marumi Kumquat or Morgani Kumquat) is a species of Kumquat. It is an evergreen tree. It produces edible golden-yellow colored fruit. The fruit is small and usually round but can be oval shaped. The peel has a sweet flavor but the fruit has a sour center. The fruit can be eaten raw and but mainly used to make marmalade and jelly. It is grown as an ornamental plant and can be...