TORULOSUM R.T.Clausen, 1946
Distribution: Mexico (provenience unknown, probably eastern Mexican Highlands)
Description (according to 't Hart & Bleij in IHSP, 2003) :
Perennial subshrubs with robust irregularly thickened succulent stems, branching at the base, to 80 cm tall.
Leaves alternate, closely set to almost rosulate, rhomboidally spatulate, acute, pruinose, 5 – 52 x 5 – 15 mm.
Inflorescences : Flowering branches erect, inflorescences corymbs, pedicels to 4 mm.
Flowers 5- (rarely 4-) merous, sepals basally connate, linear-lanceolate, obtuse, 3 – 4 mm, pale yellowish, widely spreading becoming reflexed, petals elliptic-oblong, minutely apiculate, carinate, erose, pale yellow, 5 – 6 mm.
Cytology : 2n = 68
See also : Description of a torulose, shrubby Sedum from Mexico, by Robert T. Clausen