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CAT-00018

Finger lime

Citrus australasica

Finger lime main photo

Catalog fields

Genus
Citrus
Photo
photos/CAT-00018-A.jpg
Edible
Yes
layout
full
Habitat
Grows in rainforest and ecotone with open forest, often in basalt-derived soils.
Published
Yes
Food group
Fruit
Latin name
Citrus australasica
Fruit photo
photos/CAT-00018-F.jpg
Plant title
Finger lime
Source URLs
https://profiles.ala.org.au/opus/foa/profile/Citrus%20australasica | https://tuckerbush.com.au/finger-lime-citrus-australasica/ Open source ↗ Open source 2 ↗
Catalogue ID
CAT-00018
Mature width
2-3m
Native range
Restricted to Australia, from Brisbane, southeastern Queensland, S to Clarence River, northern New South Wales.
Plant family
Rutaceae
Supplier SKU
Not recorded
Listing group
Common bush-food crop
Mature height
2-6m
Native states
NSW, QLD
Original list
No
Research date
10/10/2026
Research notes
Profile enriched from botanical/nursery sources. Dimensions are unpruned regional estimates where available; missing measurements remain explicit. Seasons are regional guides and vary with climate, location, cultivar and plant maturity. Drought and cultivation guidance are qualitative garden inferences, not measured ratings.
Evidence status
Nursery food-use source; preparation detail review pending
Fruiting season
Variable by cultivar; confirm fruiting window with supplier.
Background photo
Not recorded
Edible component
Juice vesicles and zest
Flowering season
Variable by cultivar and climate
Brief description
Thorny citrus shrub or small tree with small leaves.
Drought tolerance
Low to moderate; maintain moisture for good fruiting.
Preparation notes
Use juice vesicles from ripe fruit; skin bitterness and flavour vary by cultivar.
Flower description
Small white citrus flowers.
General cultivation
General guidance (qualitative): Suitable with drainage and summer water; protect from frost and drying wind.
Botanical description
Shrub or small tree to 10 m high; spines 5–12 (–25) mm long, solitary. Leaves: petiole 1–3 mm long, not winged, articulated with lamina; lamina obovate to rhomboid, 22–25 (–50) mm long by 14–15 (–25) mm wide (smaller and ovate in young plants), truncate at base, obscurely toothed in upper half, truncate or emarginate, glabrous. Flowers solitary or paired, male (mostly) and bisexual, (3–) 5-merous; Petals oblong, (6–) 7–8 (–9) mm long, white. Stamens 20–25, free. Ovary 5–7-locular, each locule with 8–16 ovules. Fruits cylindric-fusiform, often weakly falcate, to 50 (–100) mm long and (15–) 20 (–25) mm diam.; pericarp rough, greenish yellow; mesocarp yellow. Seeds many per locule, ovoid, 6–7 mm long; embryo solitary.
Other botanical names
Not recorded
Attracts birds and bugs
Native bees and insects visit flowers; foliage provides canopy shelter.
Flora of Australia profile
https://profiles.ala.org.au/opus/foa/profile/Citrus%20australasica Open source ↗
Fruit type and description
Elongated citrus fruit containing bead-like juice vesicles; colour varies by selection.
Flora of Australia citation
D.J. Mabberley. Citrus australasica. Flora of Australia, Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water, Canberra. https://profiles.ala.org.au/opus/foa/profile/Citrus%20australasica (accessed 2026-10-14). Copyright Commonwealth of Australia; CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). HTML formatting removed; species-level context added where noted. Open source ↗ Open source 2 ↗
Flora of Australia retrieved
14/10/2026