Polygala calcarea, the chalk milkwort, is a species of flowering plant in the family Polygalaceae, native to western Europe. It is a delicate mat-forming evergreen perennial growing to 5 cm (2 in) tall by 20 cm (8 in) broad, with spikes of small, vivid deep blue flowers in spring, and leathery, oval leaves.[1]
| Polygala calcarea | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Polygalaceae |
| Genus: | Polygala |
| Species: | P. calcarea |
| Binomial name | |
| Polygala calcarea | |
Etymology
The specific epithet calcarea means "growing in lime", though this plant will grow in a range of soils.[2]
Cultivation
It prefers sharply drained conditions, and is suitable for cultivation in an alpine garden.
Cultivars
The cultivar 'Lillet' has gained the Royal Horticultural Society's Award of Garden Merit.[3][4]
References
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