''Rosularia aizoon'' is a succulent that forms rosettes of hairy, pale green to blue-green leaves. It is hardy down to zone 7a (-17 °C, 0 °F) and blooms in summer. The plant was first described as ''Prometheun aizoon'' by

Eduard Fenzl Eduard Fenzl (1808, in Krummnußbaum – 1879, in Vienna) was an Austrian botanist. Life and contributions An obituary notes " ewas Professor of Botany and Director of the Imperial Botanical Cabinet, a member of the Vienna Academy of Sciences, ...

then transferred to genus ''Rosularia'' by

Alwin Berger Alwin Berger (28 August 1871 – 20 April 1931) was a German botanist best known for his contribution to the nomenclature of succulent plants, particularly agaves and cacti. Born in Germany he worked at the botanical gardens in Dresden and Fra ...

in 1930.

References

{{Taxonbar, from=Q15485872 Crassulaceae Plants described in 1930 Taxa named by Alwin Berger Flora of Turkey Flora of Armenia