SEMPERVIVUM   (M.Bieberstein) A.Berger, 1930

Synonyms :

Cotyledon sempervivum  M.Bieberstein (1789) / Umbilicus sempervivum  (M.Bieberstein) DC (1828) / Sedum sempervivum  (M.Bieberstein) Hamet (1929)

Section Rosularia

Distribution : Widespread from Western Asia to Iran and the Caucasus; on various substrates.

The infraspecific classification here adopted follows Eggli (1988), but has to be treated as rather informal, and intermediates between the various named segregates are not infrequently encountered.

Only a large-scale biosystematic study can bring more light into the intricate relationships within this geographically widespread taxon.

Seven subspecies :

Rosularia sempervivum ssp. amanensis  Eggli, 1987

Rosularia sempervivum ssp. glaucophylla  Eggli, 1987

Rosularia sempervivum ssp. kurdica  Eggli, 1988

Rosularia sempervivum ssp. libanotica  (Labillardière) Eggli, 1988

Rosularia sempervivum ssp. persica  (Boissier) Eggli, 1988

Rosularia sempervivum ssp. pestalozzae  (Boissier) Eggli, 1988

Rosularia sempervivum ssp. sempervivum