白丁香

花白色；叶片较小，基部通常为截形、圆楔形至近圆形，或近心形。花期4-5月。

var. alba Hort. ex Rehd. in Bailey, Cycl. Amer. Hort. 4: 1763. 1902 et Man. CuLt. Trees & Shrubs ed. 6, 781. 1954; Schelle in Beissner & al. , Handb. Laubh.-Ben. 414. 1903, "f."; 东北木本植物图志476. 1955. ——S. affinis L. Henry in Journ. Soc. Hort. France ser. 4, 2:731. 1901; Schneid. in Bot. Jahrb. 36, Beibt. 82: 87. 1905, p. p. excl. specim. Giraldi 737; Rehd. in Bailey, Stand. Cycl. Hort. 6: 3301. 2917. ——S. oblata var. affinis (L. Henry) Lingelsh. in Engl. Pflanzenr. 72(IV-143): 88. 1920, excl. syn. S. giraldi Lemoine; McKelvey, Lilac 182, 1928; Rehd. in Journ. Arn. Arb. 9: 110. 1928; 周汉藩, 河北习见树木图说 217. 1934; 陈嵘, 中国树木分类学 1054. 1937; 中国高等植物图鉴 3: 351. 1974. ——S. oblata var. a. typico Lingelsh. in Engl. Pflanzenr. 72(IV-243): 88. 1920, p. p. ——S. ohlata var. α. typical f. alba Lingelsh. in Engl. Pflanzenr. 72(IV-243): 88. 1920.