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| Osmorhiza berteroi DC. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||
| Family: | Apiaceae | ||||||||||||||
| Genus: | Osmorhiza | ||||||||||||||
| Species Synonyms: | Osmorhiza divaricata (Britt.) Suksdorf Osmorhiza nuda Torr. Osmorhiza chilensis Hook. & Arn. Osmorhiza brevipes (Coult. & Rose) Suksdorf Washingtonia divaricata Britt. |
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| Common Names: | sweet cicely mountain sweetroot |
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| DISTRIBUTION | |||||||||||||||
| Canada: | northern British Columbia - southwestern Alberta, southwest Saskatchewan, Ontario - Quebec, Newfoundland, New Brunswick, Nova Scotia | ||||||||||||||
| Saskatchewan: | southwestern Saskatchewan | ||||||||||||||
| Ecoregion: | Cypress Upland | ||||||||||||||
| HABITAT | |||||||||||||||
| Saskatchewan: | Picea glauca and Pinus contorta woods on upper ravine slopes | ||||||||||||||
| RARITY STATUS | |||||||||||||||
| Provincial
Status According to Harms (2003): |
Threatened |
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| Nature Conservancy Status: | G5 S1 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Osmorhiza berteroi is threatened in Saskatchewan because it is extremely rare and regionally restricted in the province. No immediate threats are known but may occur in the future. | |||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||
| Height: | 30 – 100 cm | ||||||||||||||
| Roots: | taproot thin, aromatic | ||||||||||||||
| Stems: | may have caudex; above ground stem usually solitary (2 - 3), branched above, slender, straw-colored, hispid (densely so when young) | ||||||||||||||
| Leaves: | cauline, 1 – 3, alternate, sheathing, 5 - 15 cm long, round, 2 times ternately divided, thin, rachis and veins hispid, margin coarsely serrate | ||||||||||||||
| Leaflets: | ultimate divisions 2 – 6 cm long, ovate-lanceolate, terminal leaflet may be lobed or incised | ||||||||||||||
| Inflorescence: | umbel compound, spreading; bracts lacking; peduncle 5 – 25 cm | ||||||||||||||
| Umbellets: | 3 – 8; rays 4 – 6 cm long; pedicels 5 – 40 mm, divaricate; involucel lacking | ||||||||||||||
| Flowers: | corolla greenish white; stylopodium abruptly differentiated; style minute | ||||||||||||||
| Fruits: | schizocarp 12 – 20 mm long, linear, dark green to blackish, bristly white-hairy, tapered to base, concavely narrowed at summit, conical beak ± 1.5 mm | ||||||||||||||
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