Libertia grandiflora

Libertia grandiflora, the tukauki or mikoikoi, is a flowering plant in the family Iridaceae. The species is endemic to New Zealand, and is found on the North Island and the northern part of the South Island. It is a clump-forming herbaceous perennial growing to 90 cm tall by 60 cm broad, with leathery linear leaves and panicles of white flowers in spring, followed by seed capsules. The Latin grandiflora means large flowered; its flowerheads can grow up to three centimetres across.

In cultivation this plant requires a sunny, sheltered location and protection from winter frosts. It has gained the Royal Horticultural Society's Award of Garden Merit.