Berberis ×ottawensis is the hybrid of B. vulgaris (common barberry) and B. thunbergii (Japanese barberry). In the wild, this interspecific taxon appears to have been largely overlooked. Here, we report that this hybrid is relatively widespread in Connecticut and Massachusetts. Furthermore, we present evidence that the hybrid individuals are capable of producing some viable seed and pollen.
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25 April 2013
Occurrence and Fertility of Feral Hybrid Barberry Berberis × ottawensis (Berberidaceae) in Connecticut and Massachusetts
Bryan A. Connolly,
Gregory J. Anderson,
Mark H. Brand
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Rhodora
Vol. 115 • No. 962
April 2013
Vol. 115 • No. 962
April 2013
barberry
Berberis ×ottawensis
Berberis thunbergii
Berberis vulgaris
hybrid distribution
hybrid fertility
invasive plant