Glaux

Glaux is a monotypic genus of flowering plants containing the single species Glaux maritima, which is known by a number of common names, including sea milkwort, sea milkweed, and black saltwort. This is a plant of the family Primulaceae.

Distribution
Glaux maritima is a native to Europe and North America. The plant grows in coastal habitats and mesic interior habitats, in both wet ground and water. It is also known from alkaline meadows in desert regions in Utah, at elevations of up to 2600 m (8500 ft).

Description
This plant differs from all other genera of the Primulaceae in having apetalous flowers with a pink, petaloid calyx. It is generally pentamerous both in the calyx and the seed capsule.