Ranunculus repens var. flore-pleno
Ranunculus repens var. flore-pleno DC.
Ranunculus repens var. flore-pleno is a perennial with light yellow double flowers.
Ranunculus repens var. flore-pleno was described by Augustin Pyramus de Candolle. The name is considered as validly published.
Ranunculus repens var. flore-pleno is a variety 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 perennials reach heights of 30 to 60 centimetres.
Ranunculus repens var. flore-pleno is deciduous. The ternate leaves are basal. The obovate leaflets are petiolate.
Flowers and Fruits
From May to July Ranunculus repens var. flore-pleno produces panicles of semi-double, ligth-yellow five-stellate flowers.
The perennials produce nutlets.
The perennials prefer a half-shady to shady situation on moist soil. The substrate should be loamy or sandy-loamy and comparatively rich. They tolerate temperatures down to -40Â°C (USDA zone 3).
Classification after Prof. Dr. Sieber
- open areas with fresh to moist soil
Suited for nature gardens and for rockeries.
Maintenance and Propagation
Propagate by sowing seed in a cold frame when seeds are ripe or by division 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.
A powdery white coat on the plants indicates an infection with powdery mildew. Remove affected plants and apply a fungicide. To prevent infection improve ventilation, keep the roots moist and do not water the plants from above.
Gnaw marks and slime trails indicate a problem with slugs. Prevent infestation by improving hygiene and by regularly working the soil. In case of an infestation use slug pellets or nematodes to control pest. Handpicking the slug also helps, do this preferably in the evening hours.
- 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.