Spiraea betulifolia var. lucida (Dougl. ex Greene) C.L. Hitchc. | Species Image Gallery (opens in a new window) |
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TAXONOMY | |||||||||
Family: | Rosaceae | ||||||||
Genus: | Spiraea | ||||||||
Species Synonyms: | Spiraea betulifolia ssp. lucida
(Dougl. ex Greene) Taylor & MacBryde. Spiraea lucida Dougl. ex Greene |
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Common Names: | shinyleaf spiraea wild white meadowsweet |
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DISTRIBUTION | |||||||||
Canada: | British Columbia – Alberta – southwestern Saskatchewan | ||||||||
Saskatchewan: | southwestern Saskatchewan; Cypress Hills | ||||||||
Ecoregion: | Cypress Upland | ||||||||
HABITAT | |||||||||
Saskatchewan: | open lodgepole pine or aspen woods, mostly above shores | ||||||||
Associated species: | Picea glauca, Pinus contorta, Populus sp. | ||||||||
RARITY STATUS | |||||||||
Provincial
Status According to Harms (2003): |
Vulnerable |
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Nature Conservancy Status: | G5T5 S2S3 |
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Saskatchewan
Species at Risk Status: |
None |
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COSEWIC Status: | None |
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Spiraea betulifolia var. lucida is vulnerable because it is rare and highly regionally restricted in Saskatchewan. This species is usually locally numerous within limited areas. No immediate threats are known but may occur in the future. | |||||||||
SPECIES DESCRIPTION | |||||||||
Height: | 30 – 80 cm | ||||||||
Roots: | usually rhizomatous | ||||||||
Stems: | simple to sparsely branched, erect, glabrous or nearly so; branches erect, smooth, reddish-brown | ||||||||
Leaves: | alternate, simple, petiole 4 – 10 mm long, blade 2 – 5 cm long, 1 – 2.5 cm wide, ovate to obovate, apex and base rounded, lustrous and green above, pale below, margin serrate, occasionally slightly lobed; stipules absent | ||||||||
Inflorescence: | corymbs terminal, 3 – 8 cm wide, flat-topped, branches glabrous; pedicels 3 – 8 mm long, glabrous | ||||||||
Flowers: | actinomorphic, nearly odourless; hypanthium cupulate, glabrous to slightly pubescent; calyx 5-merous, 0.5 – 1 mm long, triangular; corolla 5-merous, about 2 mm long, white or pinkish tinged, apex often notched; stamens 15 – 25, inserted on edge of hypanthium between petals and nectary; ovaries 5, apocarpous | ||||||||
Fruits: | aggregate of follicles; follicles glabrous or nearly so; seeds irregularly fusiform, yellowish to reddish-brown | ||||||||
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