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Polygala webbiana (Polygalaceae), the first record for Europe and a synopsis of Polygala subgen. Chamaebuxus


J. Calvo, Real Jardín Botánico-CSIC, Plaza Murillo 2, ES-28014 Madrid, Spain. E-mail:


Polygala subgen. Chamaebuxus comprises five perennial species, distributed in Europe and northwestern Africa. Polygala webbiana was hitherto thought to be endemic to Morocco. In this paper, we report the first known population of this species in Europe, present in the province of Málaga (Spain). Detailed pictures of the flower, fruit, and seed are presented, as well as a map of the whole distribution. Moreover, a key to identify the species of Polygala subgen. Chamaebuxus is provided. The names P. chamaebuxus and P. vayredae are lectotypified.