Citrus australasica

Citrus australasica, commonly known as the Finger Lime, is a thorny understorey shrub or small tree of lowland subtropical rainforest and rainforest in the coastal border region of Queensland and New South Wales, Australia.

Description

The plant is characterized by its small, elongated fruits, which resemble fingers. The fruit of Citrus australasica is cylindrical, 4–8 cm long, sometimes slightly curved, coming in different colours, often dark green. The skin is thin and hard, and inside, the fruit contains an acidic juice, segmented and pulpy, encapsulated in small vesicles. The plant's leaves are small, typically ranging from 1–6 cm long and 3–25 mm wide, with a rounded tip and finely toothed margins.

Cultivation and Uses

Citrus australasica is cultivated in Australia as an understorey shrub in open forests and rainforests, as well as in orchards for its fruit. The fruit is used in a variety of culinary applications, including marmalades, beverages, and as a garnish for seafood dishes. The fruit's unique flavor and texture, often described as a blend of citrus and tropical flavors, has led to its use in gourmet cuisine.

Varieties

There are several varieties of Citrus australasica, including the 'Rainforest Pearl', which has pink skin and pulp, and the 'Emerald', which has green skin and pulp. The 'Rainforest Ruby' has a deep red skin and pulp.

Conservation

Citrus australasica is not currently considered a threatened species, however, its habitat has been significantly reduced due to land clearing for agriculture and urban development.

See Also

• Citrus
• Australian cuisine
• Rainforest

References

• Citrus australasica F.Muell., Fragm. 1: 6 (1858)
• Citrus australasica F.Muell., Fragm. 1: 6 (1858)