Prometheum Tymphaeum
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''Prometheum'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of plants in the family
Crassulaceae The Crassulaceae (from Latin ''crassus'', thick), also known as the stonecrop family or the orpine family, are a diverse family of dicotyledon flowering plants characterized by succulent leaves and a unique form of photosynthesis, known as Crass ...
.


Taxonomy

The species in the genus ''Prometheum'' include: * ''
Prometheum pilosum ''Prometheum pilosum'' is a succulent plant in the family Crassulaceae The Crassulaceae (from Latin ''crassus'', thick), also known as the stonecrop family or the orpine family, are a diverse family of dicotyledon flowering plants characterize ...
'' (M.Bieb.) H.Ohba * ''
Prometheum sempervivoides ''Prometheum'' is a genus of plants in the family Crassulaceae. Taxonomy The species in the genus ''Prometheum'' include: * '' Prometheum pilosum'' (M.Bieb.) H.Ohba * '' Prometheum sempervivoides'' (Fisch. ex M.Bieb.) H.Ohba * ''Prometheum tym ...
'' (Fisch. ex M.Bieb.) H.Ohba * ''
Prometheum tymphaeum ''Prometheum'' is a genus of plants in the family Crassulaceae. Taxonomy The species in the genus ''Prometheum'' include: * '' Prometheum pilosum'' (M.Bieb.) H.Ohba * '' Prometheum sempervivoides'' (Fisch. ex M.Bieb.) H.Ohba * '' Prometheum ty ...
'' (Quézel & Contandr.) 't Hart ''P. sempervivoides'' and ''P. pilosum'' were historically included in genera ''
Sedum ''Sedum'' is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops. The genus has been described as containing up to 600 species, subsequently reduced to 400–500. They are leaf succulen ...
'' (section ''Cyprosedum''), and later ''
Rosularia ''Rosularia'' is a small genus of the family Crassulaceae. It includes about 28-35 species from Europe, the Himalayas, and northern Africa. Taxonomy ''Rosularia'' was originally described by De Candolle (1828) as a section of the genus Umbilic ...
'', but were elevated to a separate genus by Ohba (1995).


Description

According to an experiment done on interspecific plant crosses in the family Crassulaceae, the genus ''Prometheum'' produced on average 55 seeds. Furthermore, the same experiment found that plants of the genus ''Prometheum'' formed a comparium with each other, meaning they were capable of interbreeding.


Distribution and habitat

From
Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...
to Iran, through the
Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range, have historically ...
.


References


Bibliography

* * Crassulaceae Crassulaceae genera Taxa named by Alwin Berger {{Crassulaceae-stub