Abstract
Cytotaxonomic investigations of the autumn-flowering squills, Prospero autumnale (L.) Speta ≡ Scilla autumnalis L., Prospero obtusifolium (Poir.) Speta ≡ Scilla obtusifolia Poir., Barnardia numidica (Poir.) Speta ≡ Scilla numidica Poir., and Hyacinthoides lingulata (Poir.) Rothm. ≡ Scilla lingulata Poir. were performed in 20 populations from northern Algeria located between Tipasa and La Vieille Calle. Various chromosome numbers were found, including a new cytotype, 2n = 8, for the flora of Algeria, concerning plants identified as Prospero obtusifolium (Poir.) Speta [including P. fallax (Steinh.) Speta = S. autumnalis L. ssp. fallax (Steinh.) Batt.]. The numbers 2n = 14, 28, and 42 correspond, respectively, to diploid, tetraploid, and hexaploid levels of P. autumnale s.l. [including P. pulchellum (Munby) Speta ≡ Scilla pulchella Munby = S. autumnalis var. pulchella (Munby) Batt.], with x = 7. The cytotypes of Barnardia numidica (Poir.) Speta with 2n = 18 and Hyacinthoides lingulata (Poir.) Rothm. with 2n = 16 chromosomes were confirmed.
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Notes
“in any case, if someone should thereafter remove one of these species, it would be Sc. fallax, which is established in the last, and could refer as variety to Sc. obtusifolia, but not to S. autumnalis” (Steinheil 1834 page 105).
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Acknowledgments
This work was financially supported by the Algerian Ministère de l’Enseignement Supérieur et de la Recherche Scientifique in the framework of the Accord-Programme of the French Convention PHC: Tassili 08 MDU 724 and of the scientific project of the Equipe Biosystématique, Génétique et Evolution, Faculté des Sciences Biologiques, Université des Sciences et de la Technologie Houari Boumediene (USTHB), Algiers.
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Hamouche, Y., Amirouche, N., Misset, MT. et al. Cytotaxonomy of autumnal flowering species of Hyacinthaceae from Algeria. Plant Syst Evol 285, 177–187 (2010). https://doi.org/10.1007/s00606-010-0275-4
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DOI: https://doi.org/10.1007/s00606-010-0275-4