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Symphytum caucasicum x S. orientale (Boraginaceae) in East Norfolk and Isle of Wight / Bob Leaney in British & Irish Botany, vol. 1, n°4 (Année 2019)  

Public [article]  inBritish & Irish Botany > vol. 1, n°4 (Année 2019) . - pp. 327-334 Titre : Symphytum caucasicum x S. orientale (Boraginaceae) in East Norfolk and Isle of Wight Type de document : texte imprimé Auteurs : Bob Leaney, Auteur Année de publication : 2019 Article en page(s) : pp. 327-334 Langues : Anglais (eng) Catégories : [Espèces (in biblio)] Symphytum caucasicum [Espèces (in biblio)] Symphytum orientale [Espèces (in biblio)] Symphytum x uplandicum Mots-clés : hybride  Symphytum x norvicense  description Résumé : "A hybrid between Symphytum caucasicum and Symphytum orientale is described from two sites in Norfolk, and one on the Isle of Wight. The taxon seems to be a new one, certainly for the British Isles and Ireland, and is similar to two previously described hybrids from Norfolk, Symphytum x norvicense (S. asperum x orientale) and Symphytum x uplandicum x caucasicum. Separation of these three taxa is discussed: all three are characterised by a combination of variegated red, blue, purple or white corolla bell, together with a calyx dissection to less than half way. This shallowly dissected calyx is the key to recognition of these three entities, which otherwise are easily overlooked as diminutive forms of Symphytum x uplandicum." (source : auteur) Type de publication : périodique Référence biblio : Leaney B., 2019 - Symphytum caucasicum x S. orientale (Boraginaceae) in East Norfolk and Isle of Wight. British & Irish Botany, 1 (4) : 327-334. ID PMB : 69687 DOI : 10.33928/bib.2019.01.327 En ligne : https://britishandirishbotany.org/index.php/bib/article/view/34/52 Format de la ressource électronique : document Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=69687 [article]

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Taxonomical status of Symphytum floribundum and S. × ferrariense (Boraginaceae) / Arto Kurtto in Annales Botanici Fennici, vol. 18, n°1 (Année 1981)

Public [article]  inAnnales Botanici Fennici > vol. 18, n°1 (Année 1981) . - pp. 13-21 Titre : Taxonomical status of Symphytum floribundum and S. × ferrariense (Boraginaceae) Auteurs : Arto Kurtto, Auteur Année de publication : 1981 Article en page(s) : pp. 13-21 Langues : Anglais (eng) Catégories : [Espèces (in biblio)] Symphytum [Espèces (in biblio)] Symphytum officinale [Espèces (in biblio)] Symphytum orientale [Espèces (in biblio)] Symphytum tuberosum [Thèmes] Taxonomie Mots-clés : lectotypification  hybridation Résumé : "A comparison is made of the main morphological characters of Symphytum floribundum R. J. Shuttlew. ex Buckn., S. × ferrariense C. Massal., S. × hyerense Pawl., S. orientale L. and S. officinale L., in order to elucidate the status of the three first-mentioned taxa. The cytology and distribution of the taxa are also briefly discussed. Symphytum floribundum and S. × ferrariense are both more or less intermediate between S. orientale and S. officinale. S × hyerense is intermediate between S. officinale and S. floribundum. Thus these three taxa seem to belong to the same hybrid (swarm) S. officinale × orientale. The correct binary name of the hybrid is S × ferrariense C. Massal. Symphytum floribundum is lectotypified. The name S. mediterraneum Koch, often adopted for S. floribundum, probably belongs to the synonymy of S. tuberosum L." (source : auteur) Type de publication : périodique Référence biblio : Kurtto A., 1981 - Taxonomical status of Symphytum floribundum and S. × ferrariense (Boraginaceae). Annales Botanici Fennici, 18 (1) : 13-21. ID PMB : 71874 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=71874 [article]

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