A small genus of Chilian bulbous plants with linear nervose leaves and branched scapes of drooping blue flowers. Perianth campanulate, adhering to the base of the ovary; limb 6-parted, with spreading segments. Stamens inserted in the tube of the perianth; filaments compressed. In honour of Lady Gordon Cumming.

1. G. trimaculata. - This has deep blue flowers with a dark purple spot on each segment.