It is a common orchid in the high rainfall areas of the state and has a single, broad, silky leaf and up to four blue-mauve flowers.

Flowering occurs from August to early October and is much more prolific after summer fires.

[2][3][4] Silky blue orchid was first formally described in 1840 by John Lindley in his A Sketch of the Vegetation of the Swan River Colony.

[3] Cyanicula sericea occurs in the higher rainfall areas of Western Australia between Jurien Bay in the north and Esperance in the east, in the Avon Wheatbelt, Esperance Plains, Jarrah Forest, Swan Coastal Plain and Warren biogeographic regions, growing in forest, woodland and on granite outcrops.

[2][3][4][7] Cyanicula sericea is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.