A new North African subspecies in the Helianthemum origanifolium aggregate (H. subg. Plectolobum, Cistaceae)

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Title: A new North African subspecies in the Helianthemum origanifolium aggregate (H. subg. Plectolobum, Cistaceae)
Authors: Crespo, Manuel B. | Alonso-Vargas, M. Angeles | Vicente Caviedes, Alicia | Villar García, José Luis
Research Group/s: Botánica y Conservación Vegetal
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias Ambientales y Recursos Naturales | Universidad de Alicante. Centro Iberoamericano de la Biodiversidad
Keywords: Algeria | Chorology | Ecology | Mediterranean endemics | Morocco | SEM images | Taxonomy | Eudicots
Knowledge Area: Botánica
Issue Date: 16-Mar-2016
Publisher: Magnolia Press
Citation: Phytotaxa. 2016, 252(4): 263-272. doi:10.11646/phytotaxa.252.4.2
Abstract: The Helianthemum origanifolium aggregate is widely diversified, with several subspecies distributed in the western Mediterranean basin. Populations from Morocco and Algeria have been usually referred either to H. origanigolium subsp. origanifolium or to H. origanifolium subsp. molle, a taxon usually considered an eastern Iberian endemic. Detailed studies of those Moroccan and Algerian populations revealed a unique combination of constant macro- and micromorphological traits, allowing the description of a new subspecies to accommodate them, H. origanifolium subsp. africanum. Some floral and fruit characters, together with SEM observations of the indumentum, were found to be reliable and diagnostic for differentiating the new taxon with regard to the other subspecies of the aggregate. Data on the ecology and distribution are also reported for this new subspecies, as well as affinities and divergences with other closely allied taxa are also discussed.
Sponsor: This work was partly supported by the research grants ACIE13-01 and ACIE14-01 from Universidad de Alicante (Spain).
URI: http://hdl.handle.net/10045/66007
ISSN: 1179-3155 (Print) | 1179-3163 (Online)
DOI: 10.11646/phytotaxa.252.4.2
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Magnolia Press
Peer Review: si
Publisher version: http://dx.doi.org/10.11646/phytotaxa.252.4.2
Appears in Collections:INV - BotCoVe - Artículos de Revistas

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