Juglandaceae 15 
The large kernels of walnuts and hickories have inspired animals to disperse the species widely: (a) English walnut 
(cultivar), Juglans regia; (b) water hickory, Carya aquatica; (c) shellbark, C. laciniosa; (d) Chinese hickory, C. catha- 
yensis; (e) bitternut, C. cordiformis; ({, g, h) English walnut (cultivars); (i) butternut, J. cinerea; (j) black walnut, J. nigra; 
(k) Japanese walnut, J. ailantifolia; (1) Japanese heartnut, J. ailantifolia var. cordiformis; and (m) pecan, C. illinoinensis. 
the hickories were described under the name 
Hicoria by the American polymath Constan- 
tine Rafinesque. These circumstances led vari- 
ous scientists to urge for reinstating the earlier 
name, but the change was never implemented. 
It would have been a respectful act, not only to 
honor the scientific rules but also because the 
Greek word karya refers to the English walnut 
whereas Hicoria is derived from the Algonquin 
word for a well-known hickory dish: pocohi- 
quara. That name reveals an obvious fact: these 
trees have a cultural importance that far pre- 
dates their scientific documentation. 
Philipp Franz von Siebold was one of the first 
Europeans to collect plants in Japan. One of 
his great collections was Platycarya strobila- 
