<i>Ursinia nana</i> (Anthemideae, Asteraceae), an adventive from South Africa which is becoming naturalized in the NE Iberian Peninsula. Observations about its reproductive biology and fruit dispersal mechanisms
Abstract:The presence of Ursinia nana, an Anthemideae of South-African origin which has been introduced into the NE Iberian Peninsula, is reported for the fi rst time in Europe. The data offered cover its precise location, morphology, chromosome number, ecology and a population census, as well as its life cycle, fl oral structure, reproductive biology and fruit dispersal mechanisms. Of special note are the clear predominance of autogamy (geitonogamy) over xenogamy as a reproductive system and the large number of fruits… Show more
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