It is a tufted, perennial herb with grass-like leaves and up to nine blue or violet flowers with six tepals, and stamens with bright yellow filaments and pale brown to almost black anthers.

The leaves are folded lengthwise and grass-like, 15–85 cm (5.9–33.5 in) long and 3–23 mm (0.12–0.91 in) wide.

Flowering mainly occurs from spring to early summer and the fruit is a blue to purple berry, 4–10 mm (0.16–0.39 in) long.

[2][4][5][6] Dianella revoluta was first formally described in 1810 by Robert Brown in his Prodromus Florae Novae Hollandiae et Insulae Van Diemen.

[14] Dianella, Western Australia was named after this plant, which was plentiful in the area prior to the 1960s residential development.