SHUJAKU* 



Sakamoto, Kozen (c. 1830); Kubo, Tatewaki (c. 1842). Koidzumi 

 (1913) as P. donarium subsp. elegans var. glabra subvar. hortensis 

 f. shujaku. Wilson (1916) as P. serrulata var. sachalinensisi. 

 shujaku. Russell (1934) and Ingram (1948) as P. serrulata Shujaku. 

 Sano (1961), Honda and Hayashi (1974), and Fl. Assoc. Jap. (1980 

 and 1982) as P. lannesiana cv. Shujaku. Sano (1970) as Shujaku. 

 Hayashi and Tominari (1971) as P. lannesiana f. shujaku. Bean 

 (1976) as <P. cv. Shujaku. Syn.: P. serrulata f. campanuloides 

 Miyoshi (1916). 



f. similis = TAGUIARASHI 



f. singularis = KOGIKUZAKURA 



SIRAYUKI 



Koidzumi (1913) as P. donarium subsp. elegans var. pubescens 

 subvar. sieboldii. sirayuki. Wilson (1916) as P. serrulata var. 

 pubescens f. sirayuki. Sano (1970) as Shirayuki. Ohwi and Ohta 

 (1973) and Fl. Assoc. Jap. (1982) as P. lannesiana cv. Sirayuki. 

 Honda and Hayashi (1974) as P. lannesiana cv. Nivea. Gashu 

 (1976) as P. lannesiana f. sirayuki. Syn.: P. serrulata f. nivea 

 Miyoshi (1916); also known as Hakuyuki. 



SIROTAE = SHIROTAE 



SOBAN-ZAKURA = ITSUKAYAMA 



SPHAERANTHA* 



Miyoshi (1928, 1934a) and Gashu (1976) as P. serrulata f. 

 sphaerantha. Sano (1961), Ohwi and Ohta (1973), Honda and 

 Hayashi (1974), and Fl. Assoc. Jap. (1980 and 1982) as P. 

 lannesiana cv. Sphaerantha. Syns.: Kenrokuen Kiku-zakura (Sano, 

 1970); and P. serrulata Kenrokuen Kiku-zakura (Russell, 1934). 



f. spiralis = UZUZAKURA 



f. splendens = CHOSHU-HIZAKURA 



f. subfusca = SUMIZOME 



SUMIZOME* 



Yashiro, Hirokata (1830). Wilson (1916) as P. lannesiana f. 

 sumizome. Russell (1934) as P. serrulata Sumizome. Sano (1970) as 

 Sumizome. Syns.: P. lannesiana cv. Subfusca (Honda and Hayashi, 



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