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Teucrium francoi M. Seq., Capelo, J.C. Costa & R. Jardim, a new species of Teicrium gr. scorodonia (Lamiaceae) from Madeira
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Orientador(es)
Resumo(s)
The species formerly recognized as Teucrium scorodonia in Madeira is here described as new: Teucrium francoi
M. Seq., Capelo, J.C. Costa & R. Jardim. Morphologically close to species of Teucrium gr. scorodonia [T. scorodonia
L., T. pseudoscorodonia Desf., T. siculum (Raf.) Guss. and T. kotschyanum Poech], it exhibits, nonetheless, some
distinct diagnostic characters. The indumentum density and type of hairs of T. francoi are clearly distinct from
those of related species, as are the shape and dimensions of the leaves and bracts, calyx, and corolla, which are
all taken as taxonomically significant diagnostic features. A diagnosis and a distribution map are presented for this
new species. Morphology, ecology, biogeography, and conservation issues are discussed. Teucrium francoi, which
is an endemic from Madeira (Portugal), is to be found mostly in the scope of the association Teucrio francoi–
Origanetum virentis J.C. Costa, Capelo, Jardim, Sequeira, Lousã & Rivas-Martínez, but also occurs in somewhat
humid habitats, such as open stands of Rosa mandonii Déségl. associated with small streams
Descrição
Palavras-chave
Labiate Teucrium abutiloides Teucrium betonicum Teucrium heterophyllum Teucrium scorodonia
Contexto Educativo
Citação
"Botanical Journal of The Linnean Society". ISSN 0024-4074. 156 (2008) 639-647