Abstract
The study of plant material from three populations in northeastern Spain and southern France revealed the presence of O. umbellatum as a new record for the Iberian flora. Although this species had been cited in the Iberian Peninsula by various authors within the last two centuries, its presence in this territory could not been confirmed in recent years. A complete description is presented for O. umbellatum and an identification key is included to cover all species of Ornithogalum s. str. (O. subgen. Ornithogalum) of the Iberian Peninsula, as an amendment for their taxonomic treatment in Flora iberica.
Highlights
The taxonomy of Ornithogalum L. s. str. in the Iberian Peninsula within the last two centuries can be considered diverse and confusing
Identification of plants in this group is usually complicated, especially when the subterranean parts or fruits are not available. This led for a complex taxonomy in the group in which up to 11 species, among them O. umbellatum L., were cited in the Iberian Peninsula, most of them being initially described from other territories (Martínez Azorín & al., 2010)
An identification key is presented for the Iberian species of Ornithogalum s. str., O. baeticum, O. bourgaeanum, O. divergens, and O. umbellatum, which complements that presented by Martínez-Azorín & al. (2013)
Summary
The taxonomy of Ornithogalum L. s. str. (i.e., according to Martínez-Azorín & al., 2011) in the Iberian Peninsula within the last two centuries can be considered diverse and confusing. Identification of plants in this group is usually complicated, especially when the subterranean parts or fruits are not available This led for a complex taxonomy in the group in which up to 11 species, among them O. umbellatum L., were cited in the Iberian Peninsula, most of them being initially described from other territories (Martínez Azorín & al., 2010). In the frame of the works towards the taxonomic revision of Ornithogalum for Flora iberica, Martínez Azorín & al. In the Flora dels Països Catalans (Bolòs & Vigo, 2001), a single species, O. umbellatum, is accepted for Ornithogalum s. Bolòs & Vigo are used to name plants belonging to O. bourgaeanum sensu Martínez Azorín & al. Str., O. umbellatum to name O. divergens sensu Martínez Azorín & al. Str., O. baeticum, O. bourgaeanum, O. divergens, and O. umbellatum, which complements that presented by Martínez-Azorín & al. An identification key is presented for the Iberian species of Ornithogalum s. str., O. baeticum, O. bourgaeanum, O. divergens, and O. umbellatum, which complements that presented by Martínez-Azorín & al. (2013)
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