Aeonium
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x riosjordanae (Bañares) Bañares, 2007

Par: Aeonium aureum  (Hornem.) Mes × Aeonium simsii  (Sweet) Stearn

×Greenonium riosjordanae  Bañares, Híbridos de la familia Crassulaceae en las islas Canarias. Novedades y datos corológicos. II, Vieraea 18: 71-72, 85, t.22. 1990 ("riosjordanii")

Aeonium ×riosjordanae  (Bañares) Tavorm. & S.Tavorm., Aeonium sezione Greenovia, Piante Grasse 26(2): 49-50. (Apr) 2006 ("riosjordanii") nom. inval. (Art. 41.5) [Lacking complete basionym reference].

Aeonium ×riosjordanae  (Bañares) Bañares, Híbridos de la familia Crassulaceae en las islas Canarias. Novedades y datos corológicos. IV, Vieraea 35: 16. (Oct) 2007.

Etym: Named for Carlos Rios Jordana, a connoisseur of Canary Islands Crassulaceae.

T: Islas Canarias, Gran Canaria, Barranco de los Peñones, Cueva Corcha, 1000m; May 1986, Carlos Rios Jordana.

HT: TFC 25.042.

Obs: The original spelling without a hyphen is to be retained, despite the author's attempt to introduce one in 2007.

Description

Similar to A. simsii but rosettes more globular, stem more sturdy and old leaves very persistent.

Rosettes 5 - 7 cm in diameter with 3 - 6 axilary horizontal branches culminating in small erect rosettes.

Leaves sessile, 3 - 4 x 1.5 - 2 cm, lanceolate to subelipsoid, base attenuate, apex acute, greenish, underside with numerous linear glands, margins hyaline as in G. aurea and covered with shorter cilia than in A. simsii, (0.6 - 0.8 mm).

Inflorescences lateral, 10 - 12 cm, glandular-pubescent as in G. aurea, with several bifurcate branches with 8 - 15 flowers, pedicels hairy, 4 -6 mm. 

Flowers large, 1.5 - 1.8 cm in diameter, (9-)10-11-merous, bright yellow, calyx glandular-pubescent, petals 7 - 8.5 mm.

Flowering time : May.

Distribution : Canary Islands : Gran Canaria.



Aeonium ×riosjordanae  Protologue illustration from Bañares, Híbridos de la familia Crassulaceae en las islas Canarias. Novedades y datos corológicos. II, Vieraea 18: 85, t.22. 1990.

 




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