Aeonium
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x bravoanum  Bramwell & Rowley, 1973

Par: Aeonium castello-paivae Bolle × Aeonium viscatum Bolle

[or Aeonium castello-paivae Bolle × Aeonium lindleyi Webb & Berthel. when viscatum is reduced to a variety of A. lindleyi. (Art. H.5.2)]

Sempervivum castello-paivae (Bolle) H.Christ × Sempervivum viscatum (Bolle) H.Christ), Praeger, Notes on Canarian and Madeiran Semperviva, Transactions of the Botanical Society of Edinburgh 29: 200. 1925 nom. nud.

Aeonium castello-paivae Bolle × Aeonium viscatum Bolle, Praeger, Semperviva of the Canary Islands area, Proceedings of the Royal Irish Academy 38 Sect.B (1): 469, t.10, fig. 6. (24 Sep) 1929.

Aeonium ×bravoanum 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.

Etym: Named in honour of Ventura Bravo, a friend of the botanist Eric Sventenius from La Gomera.

T: Islas Canarias, La Gomera, 2km SW of Hermigua, below the high waterfall; 1924, R. Lloyd Praeger.

HT: Sketch of flower & leaf, in Praeger, Semperviva of the Canary Islands area, Proceedings of the Royal Irish Academy 38 Sect.B (1): 469, t.10, fig. 6. (24 Sep) 1929. Autotype (Art. 9.1). The only included element.

Obs: In Bañares (Vieraea 43: 190, 2015), Art. 40.1 (lack of type) is cited as a reason for a superfluous reneotypification, but Praeger's sketch was referred to in the validation by Bramwell & Rowley as “1929: 469”, the place of publication of the protologue description, where there is also a reference to the illustration as “Plate X, fig. 6”. This is the only included element of Praeger's description and thus also of Bramwell & Rowley's validation.

 

Description (according to Praeger, An Account of the Sempervivum Group, 1932) :

Like castello-paivae but smaller ; larger and more branched than viscatum.

Leaves intermediate, green (not glaucous), subviscous, very minutely glandular-pubescent on face, back and edges (not glabrous).

Distribution : Canary Islands (La Gomera).

The plant looks like a small green castello-paivae, but the fine glandular-pubescence exactly matching that of viscatum,  and absence of cilia show the other parent.



HT: Sketch of flower & leaf, in Praeger, Semperviva of the Canary Islands area, Proceedings of the Royal Irish Academy 38 Sect.B (1): 469, t.10, fig. 6. (24 Sep) 1929.  Autotype (Art. 9.1). The only included element.



Photo Ray Stephenson




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