LUMHOLTZII B.L.Rob. & Fernald, 1894
Distribution : Mexico (Sonora & Sinaloa).
Description (by 't Hart & Bleij in IHSP, 2003) :
Perennial ± tufted herbs with rather stout rootstock and elongate slender sterile stems, densely leafy in the upper part.
Leaves alternate, obovate to oblanceolate, shortly apiculate or (sub-) acute, shortly spurred, papillose, 6 - 14 mm.
Flowering branches erect or recurved, slender, granular-pubescent above, glabrous below, 4 - 15 cm long.
Inflorescences lax many-flowered corymbs, bracts leaf-like, pedicels 2 - 6 mm.
Flowers 5-merous, sepals broadly sessile, basally connate, slightly unequal, broadly linear to oblong, subobtuse, pubescent, ± 3 mm, suberect, petals basally slightly connate, oblong, subacute, narrowly mucronate, slightly narrowed at the base, pubescent along the midrib, white, ± 5 mm, suberect.
Cytology : 2n =38
Close to Sedum semiteres and successfully hybridized with S. alamosanum (Uhl 1985).