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Dracaena L.

Genre comprenant environ 110 espèces afro-asiatiques, plus une en Amérique centrale. Il est représenté dans le N. de l’Afrique par 2 espèces : D. draco, qui, outre dans les îles macaronésiennes, maintient en peuplement relique dans les escarpements rocheux de l’Anti-Atlas occidental (Maroc), et D. ombet, du N.-E. de l’Afrique.

Almeida, R.S. 2003. Sobre la presencia de Dracaena draco (L.) L. en Gran Canaria (islas Canarias): aportación corológica, estado actual y significación biogeográfica. Bot. Macaronésica, 24: 17-38.

Benabid, A. & Cuzin, F. 1997. Populations de dragonnier (Dracaena draco L. subsp. ajgal Benabid & Cuzin) au Maroc: valeurs taxonomique, biogéographique et phytosociologique. Comptes rendus de l’Academie des Sciences. Sciences de la Vie, 320: 267-277.

El Azzouni, M. 2003. Conserving Dracaena ombet, Egypt’s Dragon Tree. Plant Talk 34: 38-39.

Kamel, A., Ghazaly, U. M. & Kallmander, M.W. 2014. Conservation status of the endangered Nubian dragon tree Dracaena ombet in Gebel Elba National Park, Egypt. Oryx, 49(4): 704-709.

Kassas, M. 1956. The mist oasis of Erkwit, Sudan. Journal of Ecology, 44(1): 180-194.

Marrero, A., Almeida, R.S. & González-Martín, M. 1998. A new species of the wild dragon tree, Dracaena (Dracaenaceae) from Gran Canaria and its taxonomic and biogeographic implications. Botanical Journal of the Linnean Society, 128: 291-314.

Robiansyah, I. & Hajar, A.S. 2017. Predicting Current and Future Distribution of Endangered Tree Dracaena ombet Kotschy and Peyr. Under Climate Change. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 87(1): 225–232.

Clé des espèces

1 Fleurs à lobules de 7-8 mm, blanc-jaunâtre. Baies rouge-orangé. Feuilles planes, à base embrassante rougeâtre Dracaena draco

1 Fleurs à lobules de 4-6 mm, blanchâtres. Baies jaunâtres. Feuilles légèrement canaliculées sur l’endroit, convexes sur l’envers, à base embrassante pourpre foncé Dracaena ombet

Mis à jour par: B. Valdés & J. Charco.

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