Ranunculus repens var. hispidus
Ranunculus repens var. hispidus Michx.
Ranunculus repens var. hispidus is a perennial.
Ranunculus repens var. hispidus was already described and the name validly published by AndrÃ© Michaux. It was Alvan Wentworth Chapman, however, who reclassified it into todays valid botanical systematics in 1860.
Ranunculus repens var. hispidus 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 15 to 45 centimetres, the main growing season is in spring. They have a erect habit and are comparatively fast-growing.
Ranunculus repens var. hispidus is deciduous. The mid-green, ternate leaves are basal. The elliptic leaflets are dentate and petiolate. The foliage is porous.
Flowers and Fruits
Ranunculus repens var. hispidus produces cymes of showy, yellow five-stellate flowers from March to October.
The perennials produce yellow nutlets in summer.
Ranunculus repens var. hispidus is native to the central Northeast of the US, the Northeast of the US, Oklahoma and the Southeast of the US.
The perennials prefer a sunny to half-shady situation on fresh to moist soil. The substrate should be sandy-loamy or sandy clay and comparatively rich with a pH between 4,5 and 8. The plants need a soil depth of at least 10 centimetres for good growth. They need a frost-free period of at least 19 weeks.
Tolerance of special soil conditions
- none: soil salinity, anaerobic soil
- low: drought
- medium: calcareous soil
The recommended planting distance is 30 to 60 centimetres.
Maintenance and Propagation
Propagate by sowing or by ripe cuttings.
Pests and Diseases
- 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.