Cariological and taxonomic data on the genus Teucrium L. (Labiatae) in the Iberian Peninsula. Datos cariológicos y taxonómicos sobre el género Teucrium L
DOI:
https://doi.org/10.24310/Actabotanicaabmabm.v4i.9684Keywords:
.Abstract
52 Spanish populations of 28 taxa of the genus Teucrium L. are studied caryologically, reporting for the first time the chromosome numbers of the following taxa: I fruticans L. (2n = 30); T. pseudochamaepitys L. (2n = 60); T. webbianum Boiss., (2n = 32 + 0-1B, 48 + 0- 2B); T. fragile Boiss., (2n = 32); T. libanitis Schreber, (2n = 26); T. carolipaui C. Vicioso ex Pau, (2n = 26); T. carolipaui susbp .fontqueri (Sennen) Rivas-Marti?nez, (2n = 26); T. lepicephalum Pall, (2n = 26); T. turredanum Losa &Rivas Goday, (2n = 26); T. capitatum subsp. gradllimum (Rouy) Valde?s-Bermejo, (2n = 26); T.exp expansum Pau, (2n = 26 + 0-2B, 52 + 0-2B); T. lusitanicum Schreber subsp. aureoformis (Rouy) Valde?s-Bermejo, (2n = 52); T. haenseleri Boiss. (2n = 26) T. chrysotrichum Lange, (2n = 26), T. lanigerum Lag. (2n = 26) as well as the triploid level of T. capitatum (3x = 39), and the diploid level of T. aureum subsp. angustifolium (Willk.) Puech (2x = 26).
In regard to nomenclature, the following combinations are proposed: T.capitatumL. subsp. gracilimum (Rouy) Valde?s-Bermejo y T lusitanicum Schreber subsp. aureoformis (Rouy) Valde?s-Bermejo.
The base number of the various sections of the genus is established, and the Iberian and Balearic species are assigned to their corresponding section. A hypothesis about the original base number is presented.
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