USGS Home
Contact USGS
Search USGS
Northern Prairie Wildlife Research Center
Home
About NPWRC
Our Science
Staff
Employment
Contacts
Common Questions
About the Site
Western Wetland Flora
Field Office Guide to Plant Species
Arctic Pearlwort
Sagina saginoides
(L.) Karst.
Family:
Pink (Caryophyllaceae)
Flowering:
May-December
Field Marks:
This dwarf, matted pearlwort is a perennial with 5 sepals no more than 1/10 inch long, with the petals usually slightly shorter.
Habitat:
Moist areas in the mountains.
Habit:
Perennial herb with a thickened root.
Stems:
Lying flat on the ground to ascending, mat-forming, up to 4 inches tall, smooth.
Leaves:
Opposite, simple, thread-like to linear, 1/4-1/2 inch long, smooth, without teeth.
Flowers:
Usually in the axils of the uppermost leaves, on slender stalks 1/4-1/2 inch long, smooth, often curved near the tip.
Sepals:
5, green, oval, up to 1/10 inch long, rounded at the tip, green.
Petals:
5, white, oval, up to 1/16 inch long, rounded at the tip.
Stamens:
5.
Pistils:
Ovary superior, smooth.
Fruits:
Capsules ovoid, up to 1/8 inch long, smooth.
Previous Species
-- Western Borax-weed (
Nitrophila occidentalis
)
Return to Species List
-- Group 7
Next Species
-- Red Saltwort (
Salicornia rubra
)