Ito, Ihe (1813); Sakamoto, Kozen (c. 1830); Yashiro, Hirokata 

 (1830); Kubo, Tatewaki (c. 1842). Russell (1934) as P. serrulata 

 Torano-o. Syns.: P. lannesiana cv. Caudata (Ohvvi and Ohta, 1973); 

 P. lannesiana f. caudata Nemoto (1950); and P. serrulata f. caudata 

 Miyoshi (1916) and Gashu (1976). 



f. tricolor = GYOIKO 



UDZUZAKURA = UZUZAKURA 



UKON* 



Ito, Ihe (1710); Ito, Ihe (1813). Koidzumi (1913) as P. donariumi. 

 ukon. Russell (1934) as P. serrulata Ukon. Sano (1970) as Ukon. 

 Hillier and Sons (1974) as P. cv. Ukon. Syns.: P. lannesiana cv. 

 Grandiflora (Sano, 1961; and Fl. Assoc. Jap., 1980 and 1982); P. 

 lannesiana f. grandiflora Wilson (1916) and Hayashi and Tominari 

 (1971); P. serrulata f. grandiflora Wagner (1903) and Gashu (1976); 

 P. serrulata f. luteo-virens Miyoshi (1916); and P. serrulata f. 

 viridiflora Makino (1909). Also known as Mangetsu. 



f. unifolia = HIZAKURA 



USUZAKURA 



Miyoshi (1916) Japanese name: Usuzakura. Syn.: P. serrulata f. 



montana Miyoshi (1916). 



USUZUMI 



Matsuoka, Gentatsu (1758); Shirakawa, Rakuo (1822); Sakamoto, 

 Kozen (c. 1830); Yashiro, Hirokata (1830); Kubo, Tatewaki (c. 

 1842). Russell (1934) as P. serrulata Usuzumi. Syns.: P. lannesiana 

 cv. Nigrescens (Honda and Hayashi, 1974); P. lannesiana f. 

 nigrescens Hayashi and Tominari (1971); and P. serrulata f. 

 nigrescens Miyoshi (1916) and Gashu (1976). 



UZUZAKURA* 



Shirakawa, Rakuo (1822); Sakamoto, Kozen (c. 1830); Yashiro, 

 Hirokata (1830); Kubo, Tatewaki (c. 1842). Wilson (1916) as P. 

 serrulata var. sachalinensis f. udzuzakura. Russell (1934) as P. 

 serrulata Udzu-zakura. Syns.: P. lannesiana cv. Spiralis (Ohwi and 

 Ohta, 1973; and Honda and Hayashi, 1974); P. serrulata Hokusai 

 (Ingram, 1925); and P. serrulata f. spiralis Miyoshi (1916) and 

 GashG (1976). 



var. veitchiana = FUGENZO 



f. versicolor = YAE-AKEBONO 



27 



