x ombriosum Bramwell & Rowley ex P.V.Heath, 1995
Par: Aeonium hierrense (R.P.Murray) Pit. & Proust × Aeonium valverdense (Praeger) Praeger
Sempervivum hierrense R.P.Murray × Sempervivum valverdense Praeger, Praeger, Notes on Canarian and Madeiran Semperviva, Transactions of the Botanical Society of Edinburgh 29: 200. 1925 (without description).
Aeonium hierrense (R.P.Murray) Pit. & Proust × Aeonium valverdense (Praeger) Praeger, Semperviva of the Canary Islands area, Proceedings of the Royal Irish Academy 38 Sect.B (1): 475-476. (24 Sep) 1929.
Aeonium ×ombriosum Bramwell & G.D.Rowley, in Jacobsen & Rowley, Some name changes in succulent plants, Part V, National Cactus and Succulent Journal 28(1): 5. (Mar) 1973 nom. inval. (Art. 39.1, 40.1).
Aeonium ×ombriosum Bramwell & G.D.Rowley ex P.V.Heath, Miscellaneous amendments, Calyx 5(2): 51. (Jan) 1995.
Etym: Derived from Ombrios, an early Greek name for the island of Hierro.
T: Islas Canarias, El Hierro, Taibique, 900m; Aug 1987, Ángel Bañares & T. Felipe.
HT: TFC 25.033.
Intermediate in all characters. Typically slightly branched, leaf-rosettes intermediate in size, leaves and flowers intermediate.
Habitat : Canary Islands : Hierro, frequent where the parents occur together. By secondary crossing the hybrids form a series extending from one parent to the other.