Vogt, Robert and Konowalik, Kamil and Oberprieler, Christoph (2018) Karyological analysis reveals two new polyploid marguerite taxa (Leucanthemum, Compositae-Anthemideae) in S France and NW Italy. WILLDENOWIA, 48 (2). pp. 221-226. ISSN 0511-9618,
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New chromosome counts suggest that the former Leucanthemum vulgare var. esterellense Briq. & Cavill. deserves acknowledgement as an independent species. The new combination L. esterellense (Briq. & Cavill) Vogt, Konowalik & Oberpr., proposed here, denotes a marguerite species endemic to the Massif de l'Esterel (S France) with an octoploid chromosome number of 2n = 72. It is also demonstrated that recently formed hybrids between L. glaucophyllum and L. pallens at Mt Bignone (Liguria, NW Italy) exhibit hepta- and octoploid chromosome numbers. These hybrids are described as L. xmarchii Konowalik, Vogt & Oberpr., a nothospecies new to science. Additionally, the names L. subglaucum de Laramb., L. vulgare var. esterellense Briq. & Cavil. and L. vulgare subsp. glaucophyllum Briq. & Cavill. are lectotypified and new chromosome counts for all presently surveyed Leucanthemum taxa are provided.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | PLURIFLORUM CLAN COMPOSITAE; SEQUENCE VARIATION; MILL. COMPOSITAE; EVOLUTION; Anthemideae; Asteraceae; chromosome numbers; Compositae; France; hybridization; Italy; lectotypification; Leucanthemum; new combination; new nothospecies; polyploidy |
| Subjects: | 500 Science > 570 Life sciences 500 Science > 580 Botanical sciences |
| Divisions: | Biology, Preclinical Medicine > Institut für Pflanzenwissenschaften Biology, Preclinical Medicine > Institut für Pflanzenwissenschaften > Group Plant Systematics and Evolution (Prof. Dr. Christoph Oberprieler) |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 05 Mar 2020 13:14 |
| Last Modified: | 05 Mar 2020 13:14 |
| URI: | https://pred.uni-regensburg.de/id/eprint/14124 |
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