Glyptopleura is a genus of North American plants in the family Asteraceae.

[1][2][3] The common names for this plant include carveseed, holy dandelion or holly dandelion, keysia or keyesia, and crustleaf.

This plant grows low to the ground from a flat basal rosette of distinctive lobed green leaves outlined in eye-catching hard white borders.

The flesh is rich in milky sap.

The flowers are ligulate, bearing long ray florets with toothed ends, which may be white, cream, or pale yellow.