Armeria maritima ssp. interior (Raup) Porsild
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TAXONOMY
 
Family: Plumbaginaceae
Genus: Armeria
 
Species Synonyms: none
Common Names: interior seapink
inland sea-thrift
 
DISTRIBUTION
 
Canada: northwestern Saskatchewan
Saskatchewan: northwestern Saskatchewan; Lake Athabasca
Ecoregion: Athabasca Plain
 
HABITAT
 
Saskatchewan: barren gravel ridges in sand dunes
Associated Species: field sagewort, moss campion
 
RARITY STATUS
 
Provincial Status According
to Harms (2003):
Threatened
Nature Conservancy Status:
G5T1T2 N5T1T2 S1S2
Saskatchewan Species at
Risk Status:
None
COSEWIC Status:
Threatened
 
Interior seapink is threatened in Saskatchewan because it is rare and highly regionally restricted. This subspecies is known only from the Lake Athabasca region and is almost always locally sparse. No immediate threats are known for this species.
 
SPECIES DESCRIPTION
 
Height: 2 – 60
Roots: erect
Stems: leafless and terminating in an inflorescence, erect, hairless or hairy
Leaves: 1 – 5 cm long, 2 – 3 mm wide, hairless, 1 – 3-veined
Inflorescence: sheathing bract 5 – 30 mm long; outer inflorescence bracts 4 – 14 mm long, more than half as long as inner ones, oval to triangular; heads 1 – 3 cm wide
Flowers: all of the same kind (all stigmas bumpy, pollen netted) or of two kinds (bumpy stigmas, finely netted pollen and smooth stigmas, coarsely netted pollen); sepals hairless, teeth triangular, awned or not; petals exceeding sepals or reduced, pink to white
Fruits: capsule opening like a lid at or below middle, 3 – 4 mm long; seeds 2, reddish-tan
 
PLUMBAGINACEAE KEY FOR GENERA FOUND IN SASKATCHEWAN
 
Interior seapink is the only member of the leadwort family in Saskatchewan.