Crocus longiflorus, the long-flowered crocus, is a species of flowering plant in the genus Crocus of the family Iridaceae, found in Southwest Italy, Sicilia, and Malta.

Growing to 10 cm (3.9 in) tall, it is a cormous perennial. It produces pale lilac or purple blooms in autumn, along with the sword-shaped leaves.

In the 19th century, Crocus longiflorus stigmas were harvested from the wild and used for saffron in Sicily.

In cultivation in the UK, this plant is a recipient of the Royal Horticultural Society's Award of Garden Merit.

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