Urtica incisa, scrub nettle, is an up-right perennial herb

Herb

Except in botanical usage, an herb is "any plant with leaves, seeds, or flowers used for flavoring, food, medicine, or perfume" or "a part of such a plant as used in cooking"...

 native to streams and rainforest

Rainforest

Rainforests are forests characterized by high rainfall, with definitions based on a minimum normal annual rainfall of 1750-2000 mm...

 of south-eastern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

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Growth

Scrub nettle leaves are triangular and opposite, 5-12 cm long, with serated margins and stinging hairs.

Uses

Aborigines ate the leaves after baking them between hot stones. They are considered a tasty vegetable, with colonists also using it to make a tonic for "clearing the blood".