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Primula deorum
Also called Rila Cowslip, Rila Primrose
Primula deorum, also known as Rila primrose, Rila cowslip or God's cowslip, is a flowering dicot plant of the genus Primula in the family Primulaceae. This alpine plant is endemic to roughly 63 km2 (24 sq mi) above the tree-line (especially around 2,200 metres (7,220 ft) in the Rila mountains in Bulgaria, where it grows in small groups in acid, boggy soil near streams and pools and in boggy soil. Its elongate green leaves form rosettes. The blooms are red-purple, borne in asymmetrical umbels high above the leaves. This plant has survived the last glacial period as a relict organism.
It is sometimes offered as an ornamental, but is difficult to cause to flower. The best success comes from a well-aerated, wet medium consisting partly or entirely of sphagnum; flowing water is advisable.
Primrose · Bluedome primrose · Primula algida · Primula allionii · Moonlight Primrose · Primula amethystina · Alpine primrose · Primula aureata · Auricula · Northern primrose · Primula bracteosa · Bulley's Primrose
Text excerpted from the Wikipedia article Primula deorum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
