Anales del Jardín Botánico de Madrid, Vol 56, No 2 (1998)

The taxonomic status of Scilla beirana Samp. (Hyacinthaceae)

Rubim M. Almeida da Silva
Jardim Botánico "Dr. Gonc.alo Sampaio", Universidade do Porto, Portugal

Francisco B. Caldas
Jardim Botánico "Dr. Gonc.alo Sampaio", Universidade do Porto, Portugal

Josep A. Roselló
Departamento de Biología Vegetal, Facultad de Ciencias, Universidad de Valencia, Spain


Populations of Scilla beirana Samp. were sampled in NW Portugal and compared with its relatives S. ramburei Boiss, and S. peruviana L. Leaf and scape anatomy, morphology, chromosome number and idiogram were identical in S. beirana and S. ramburei, but differed from S. peruviana. Diagnostic characters previously used to discriminate S. beirana (width of leaves and flower number) showed continuous, but not clinal, variation, and failed to provide a clear-cut basis for identification and no other morphological attributes were found to separate the taxa. All available evidence suggests that S. beirana should be put into synonymy with S. ramburei, as was earlier suggested by COUTINHO (1935).


Hyacinthaceae; Scilla; taxonomy; anatomy; caryology; endemism; Iberian Península

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