Saxifraga-oppositifolia_24

Description:

Saxifraga oppositifolia ssp. oppositifoliaL., syn.: Saxifraga murithiana, Saxifraga rudolphianaPurple saxifraga, DE: Purpur-Steinbrech, Gegenblatt-SteinbrechSlo.: nasprotnolistni kamnokreDat.: May 11. 2015Lat.: 46.43612 Long.: 13.63877Code: Bot_874/2015_DSC6403Habitat: in rock crevices, south oriented almost verticalroad scarp; open, sunny place, calcareous rock with some siliceous component, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 1-2 deg C, elevation 1.860 m (6.100 feet), alpine phytogeographical region. Substratum: soil in rock crevices.Place: Mt. Mangart's flats, rocky scarp of Mt. Mangart alpine road, East Julian Alps, Posoje, Slovenia EC.Comment: Saxifraga oppositifolia at its lowest elevations on south oriented rock faces blooms already in May while its peak blooming time at 2.500 m and higher elevations can be August. This is a true jewel of Slovenian alpine flora.Ref.:(1) A. Martini et all., Mala Flora Slovenije, Tehnina Zaloba Slovenije (2007) (in Slovene), p 238. (2) M.A. Fischer, W. Adler, K. Oswald, Exkursionsflora sterreich Liechtenstein, Sdtirol, LO Landesmuseen, Linz, Austria (2005), p 390.(3) D. Aeschimann, K. Lauber, D.M. Moser, J.P. Theurillat, Flora Alpina, Vol. 1., Haupt (2004), p 696.(4) K. Lauber and G. Wagner, Flora Helvetica, 5. Auflage, Haupt (2012), p 188.