Viola rupestris

Viola rupestris F.W.Schmidt
Family: Violaceae
Synonym: Viola arenaria DC., Viola glaberrima C. Serg.

Perennial, rhizome short, maniheads, stem ascending from the rosette, up to 10 cm high. Seeds obovate, aril basal, covering c. 1/4 of the seed length, 1.5-1.8 x 0.8-1 mm. Surface glossy, fine areolate, pale- to dark-brown. 2n = 20. Native to Eurasia, on sunny and rocky slopes in open habitats with light base-rich soils; in all Carpathian territories.

7 Published articles of Viola rupestris
1.    Viola rupestris: molecular analyses to elucidate postglacial migration in Western Europe
Nordal, I; Jonsell, B; Marcussen, T - JOURNAL OF BIOGEOGRAPHY  Volume: 32   Issue: 8   Pages: 1453-1459   DOI: http://dx.doi.org/10.1111/j.1365-2699.2005.01257.x   Published: AUG 2005
2.    Viola rupestris ssp relicta is bicentric in Scandinavia - new finding in More, W. Norway.
Nordal, Inger; Marcussen, Thomas - Blyttia  Volume: 63   Issue: 2   Pages: 67-71   Published: 2005
3.    Viola rupestris and its hybrids in Britain
Jonsell, B.; Nordal, I.; Roberts, F. J. - Watsonia  Volume: 23   Issue: 2   Pages: 269-278   Published: August, 2000
4.    A phylogeographic analysis of Viola rupestris: three post-glacial immigration routes into the Nordic area?
Nordal, I; Jonsell, B - BOTANICAL JOURNAL OF THE LINNEAN SOCIETY  Volume: 128   Issue: 2   Pages: 105-122   DOI: http://dx.doi.org/10.1111/j.1095-8339.1998.tb02110.x   Published: OCT 1998
5.    VIOLA-RUPESTRIS AND JUNCUS-ALPINUS IN MIDWESTERN YORKSHIRE ENGLAND
ROBERTS F J - Watsonia  Volume: 11   Issue: 4   Pages: 385-386   Published: 1977
6.    Variation in Viola rupestris Schmidt
VALENTINE, D. H.; HARVEY, M. J. - BERICHT GEOBOT FORSCHUNGSINST RIIBEL ZURICH  Volume: 36   Pages: 157-163   Published: 1961
7.    Viola rupestris Schmidt in Britain
VALENTINE, D. H.; HARVEY, M. J. - PROC BOT SOC BRITISH ISLES  Volume: 4   Issue: (2)   Pages: 129-135   Published: 1961