Synonym: Sedum sempervivoides; Rosularia sempervivoides; Sedum sempervivum; Pseudorosularia sempervivoides.
Name: from Prometheus, from the Greek myths.
Genus: 8 species.Region: south west Asia, Greece, Turkey, Armenia, Caucasus, Irak, Iran, Syria.
Habitat: frost-resistant; verifiably hardy; surviving prolonged drought.
Use: ornamental, beautiful, ground cover.
BotanyHerb; biannual to perennial; succulent; ± 20 cm tall, 20 cm wide.
Leaves: flattened, pointed, finely hairy; in a flat rosettes, to 5 cm across; with reddish-purple spots on the centres of the leaves; monocarpic, dies after flowering.
Inflorescence: terminal, with many flowers, 30 to 150.
Flower: blood-red; self pollinated; bright red; pointed calyx leaves; pedicels red; blooming in spring.
TaxonomyPrometheum resemblances to Sempervivum.
Prometheum has 8 genera: P.aizoon, P.chrysanthum, P.muratdaghense, P.pilosum, P.rechingeri, P.serpentinicum, P.typhaeum, P.sempervivoides. They were previously found in the genera Sedum and Rosularia due to their genetic relationship.