SORDIDUM var. OISHII (Ohwi) Ohba & Amano, 1990
Synonym : Sedum oishii Ohwi (1971)
Distribution : Japan (Northern Honshu, Ibaraki, Fukushima).
Differs from var. sordidum : Sepals, filaments and ovaries conspicuously papillate.
Cytology : 2n = 22, 24 (Ohba & Amano 1990)