Densely branched, spiny shrub. Leaves elliptic, to 8 cm. Fruit deep orange, to about 3 cm wide, 5-6-chambered and with a sweet rind. [Fortunella japonica (Thunb.) Swingle]
Citrus margarita Lour. 'Nagami', Oval or Nagami Kumquat, is also sometimes available. [Fortunella margarita (Lour.) Swingle]
Source: (2002). Rutaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.