Sempervivum
General Information   |   Species   |   Hybrids   |   Cultivars

THOMPSONIANUM  Wale, 1940

According to 't Hart, Bleij & Zonneveld in IHSP, 2003 "most probably the hybrid S. ciliosum ssp. octopodes x S. marmoreum ssp. reginae-amaliae. Morphologically, it is intermediate bewteen the alleged parents (shape of the rosettes and flower colour) and its pollen fertility is very low."

See also : Alan Smith, The Genus Sempervivum and Jovibarba, 1980




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