Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
23. Primulaceae, the Primrose Family
1. Glaux L. -- Sea milkwort
1. Glaux maritima L.
Low, glabrous, usually glaucous perennial from shallow rhizomes, 3-25 cm tall;
stems leafy, simple and erect to branched and spreading. Leaves
opposite or mostly so, sometimes becoming alternate above, sessile, rather succulent,
elliptic to oblong or oblanceolate, 3-20 mm long, 1-5 mm wide, obtuse to subacute.
Flowers small, solitary and sessile in the leaf axils, white to pinkish;
calyx campanulate, 3-4 mm long, lobed to about the middle, the lobes
petaloid, rounded; corolla absent; stamens free of the calyx,
alternate with the calyx lobes, about equal to or slightly exceeding the calyx.
Capsules ovoid to globose, 2.5-3 mm long; seeds several, black,
roughly elliptic and flattened, 1-1.5 mm long, coherent to the placenta. Mid
Jun--Sep. Wet meadows, seepage areas, stream margins and flats, where alkaline
or saline; ND, MT, w NE, WY and probably SD, most common n; (Circumboreal, in
N.Amer. s to VA, NE, NM and OR).
Return to Family -- Primulaceae - The
Next Species -- Lysimachia ciliata L. -- Fringed