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Article Dans Une Revue Plant Systematics and Evolution Année : 2010

Cytotaxonomy of autumnal flowering species of Hyacinthaceae from Algeria

Résumé

Cytotaxonomic investigations of the autumnflowering 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.

Dates et versions

hal-00528843 , version 1 (22-10-2010)

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Yasmina Hamouche, Nabila Amirouche, Marie-Thérèse Misset, Rachid Amirouche. Cytotaxonomy of autumnal flowering species of Hyacinthaceae from Algeria. Plant Systematics and Evolution, 2010, 285 (3-4), pp.177-187. ⟨10.1007/s00606-010-0275-4⟩. ⟨hal-00528843⟩
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