Much like no. 2 [Sedum telephioides Michx.] in aspect; pet white with green midnerve; nectaries yellow; stamens 0-10; carpels 0-5, pink, infertile. Sterile triploid (3x=36) from Japan, perhaps originating as a hybrid of S. spectabile Boreau and S. viridescens Nakai, occasionally escaped from cult. in our range. (S. Ų”lboroseum)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.