A Caucasian wingnut, Pterocarya fraxinifolia, in summer.
Clissold Park, N4, 2012
Caucasian wingnut, Pterocarya fraxinifolia, leaves.
Clissold Park, N4, 2012
Bark of the Caucasian wingnut, Pterocarya fraxinifolia.
Clissold Park, N4, 2012
Developing seeds of the Caucasian wingnut, Pterocarya fraxinifolia.
Clissold Park, N4, 2012
Chinese wingnut,
Pterocarya stenoptera.
Kew Gardens, 2013
Stem of the Chinese wingnut,
Pterocarya stenoptera.
Kew Gardens, 2013
Developing seeds of the Chinese wingnut,
Pterocarya stenoptera.
Kew Gardens, 2013
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