Red Finger Lime Tree (Citrus australasica)

Common Names: Red Finger Lime, Caviar Lime Tree, Australian Finger Lime Tree
Family: Rutaceae
Origin: Australia

This Red Finger Lime Tree (Citrus australasica) is an extraordinary citrus variety native to Australia, renowned for its unique shape, vibrant color, and the delightful, caviar-like texture of its pulp. Often referred to as "citrus caviar," the Red Finger Lime produces elongated, finger-shaped fruits that, when sliced open, reveal tiny, pearl-like vesicles that burst with a tangy, citrusy flavor. This rare and exotic fruit is highly sought after by chefs and food enthusiasts for its visual appeal and its ability to add a zesty pop to culinary creations.

Distinctive Features and Uses

Fruits: Red Finger Limes are slender, finger-shaped fruits that can grow up to 3 inches long. The skin is thin and smooth, ranging in color from deep red to burgundy, depending on the variety. When cut open, the fruit reveals small, bead-like vesicles that are translucent to pale pink or red. These vesicles, often called "citrus caviar," have a crisp, juicy texture and a tangy, tart flavor with hints of lime. The fruit is perfect for garnishing cocktails, adding to seafood dishes, or using as a topping for desserts, where it adds both flavor and a visually striking element.

Leaves: The tree features small, dark green leaves that are evergreen, adding year-round beauty to the garden. The foliage is aromatic, emitting a fresh citrus scent when crushed.

Growth Habit: Red Finger Lime trees are compact and bushy, typically growing 6-10 feet tall, making them suitable for small gardens, containers, or as ornamental shrubs. They are relatively slow-growing and can be pruned to maintain a manageable size. The tree is known for its spiky branches, which help protect the delicate fruit from wildlife.