Ranunculus asiaticus L.
Ranunculus asiaticus, commonly known as Persian buttercup, belongs to the group of bulbous and tuberous plants.
Ranunculus asiaticus was described by Carl Linnaeus in 1753. The name is considered as validly published.
Ranunculus asiaticus is a species in the genus Ranunculus which contains approximately 432 to 2271 species and belongs to the family of the Ranunculaceae (Buttercup Family). The type species of the genus is Ranunculus auricomus.
The plants reach heights of 20 to 45 centimetres. The plants reach a width of 10 to 30 centimetres.
Ranunculus asiaticus is deciduous. The dark-green, simple leaves are in rosettes. They are palmately lobed, pinnatipartite and petiolate. The surface of the leaves is pilose.
Flowers and Fruits
Ranunculus asiaticus produces solitary salmon-red five-stellate flowers from May to June.
The plants produce nutlets.
The plants form fibrous roots.
Ranunculus asiaticus is native to North Africa, Iran, Iraq, Turkey and Cyprus.
The plants prefer a sunny situation on dry to moist soil. The substrate should be gritty-loamy and comparatively rich. They tolerate temperatures down to -7Â°C (USDA zone 9). Summer-dry soils are preferred.
Classification after Prof. Dr. Sieber
- flower beds (rich soil)
The plants are suited for cultivation in a cold house. Suited as container plant, cut flowers and as indoor plant.
Maintenance and Propagation
- Dig up the tubers in autumn and store them in a dry and frost-free place over winter.
Propagate by division in spring or in autumn or by bulbils in spring or in autumn.
The sap may irritate the skin
Please read the health issues note!
Pests and Diseases
Honeydew, galls and distorted leaves are a sign for an infestation with aphids. Use an insecticide or control biologically , e.g. with parasitic wasps or predators such as Aphidoletes aphidimyza.
Discoloured and tunneled leaves indicate an infestation with leaf miners. Remove and destroy affected leaves.
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.