Smilax australis R.Br.

Climber to c. 7 m; stems to 5 mm diam., prickly or occasionally glabrous. Leaves: lamina lanceolate to broadly elliptic or ovate, 5–15 cm long, 3–10 cm wide, coriaceous, 5-veined; abaxial surface not glaucous; petiole 5–15 mm long, twisted; stipules narrow to broad, sometimes inflated, with tendrils. Inflorescence simple or branched, axillary; pedicels 15–25 mm long. Flowers green, sometimes reddish in bud; buds oblong. Male flowers 6–7 mm diam.; sepals and petals 5 mm long, recurved; stamens 6–7 mm long; anthers 1–1.5 mm long. Female flowers 5–6 mm diam.; sepals and petals 4–5 mm long, slightly recurved; ovary ovoid, 3–4 mm long, glabrous; stigma minutely ciliate. Berry 6–10 mm diam., black. Seeds 1 or 2, ± globose or flattened, dark brown.

It is a tropical plant. It grows naturally in coastal monsoon vine thickets. It grows above the beach or near streams. In tropical Queensland it grows from sea level to 1300 m altitude. Melbourne Botanical Gardens.

The ripe fruit are eaten. They have a slightly hot taste. They are used for jams and jellies.

Plants can be grown by seeds or cuttings. Seeds can take a few months to germinate.