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| Polygala verticillata var. isocycla Fern. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||||||||
| Family: | Polygalaceae | ||||||||||||||||||||
| Genus: | Polygala | ||||||||||||||||||||
| Species Synonyms: | Polygala verticillata var. sphenostachya Pennell | ||||||||||||||||||||
| Common Names: | whorled milkwort | ||||||||||||||||||||
| DISTRIBUTION | |||||||||||||||||||||
| Canada: | southeastern Saskatchewan – southwestern Manitoba | ||||||||||||||||||||
| Saskatchewan: | southeastern Saskatchewan; Estevan | ||||||||||||||||||||
| Ecoregion: | Mixed Grassland, Moist Mixed Grassland | ||||||||||||||||||||
| HABITAT | |||||||||||||||||||||
| Saskatchewan: | dry grassland slopes and valley bottom flats | ||||||||||||||||||||
| Associated Species: | mat muhly, prairie coneflower, small leaf everlasting, whorled milkweed | ||||||||||||||||||||
| RARITY STATUS | |||||||||||||||||||||
| Provincial
Status According to Harms (2003): |
Endangered |
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| Nature Conservancy Status: | G5T5 S1 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Whorled milkwort is endangered in Saskatchewan because it is extremely rare. This species is restricted to a small area of the province and is locally sparse. Immediate threats have been identified for this species. | |||||||||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||||||||
| Height: | 10 – 40 cm | ||||||||||||||||||||
| Stems: | erect, usually branched, slender | ||||||||||||||||||||
| Leaves: | at least the lower ones in whorls of 2 – 5, 1 – 2 cm long, linear to oblong | ||||||||||||||||||||
| Inflorescence: | unbranched, 5 – 15 mm long, lower flower stalks opposite or whorled | ||||||||||||||||||||
| Flowers: | irregular; sepals 5, 2 large, coloured and petal-like; petals 3, 2 – 3 mm long, fused, central petal boat-shaped and fringed, whitish to pinkish; stamens 8, filaments fused into a split sheath; ovary superior | ||||||||||||||||||||
| Fruits: | capsule | ||||||||||||||||||||
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