TUBERCULATUM   Rose, 1897

Subgenus Sedum

Distribution : Mexico (Oaxaca), 2500 – 3100 m.

Description (by 't Hart & Bleij in IHSP, 2003) :

Perennial subshrubs with thick creeping roots.

Stems stout, erect or nearly erect, spreading, densely papillose.

Leaves alternate, spatulate-obovate to spatulate-oblanceolate, rounded to obtuse, papillose or sometimes smooth in the upper part of the stem, 6 – 12 mm.

Flowering branches erect.

Inflorescences small compact few-flowered cymes, bracts oblanceolate, ± 5 mm.

Flowers 5-merous, sepals basally free, broadly spurred, nearly equal, linear-lanceolate, obtuse, ± 4 mm, petals free to the base, broadly lanceolate, obtuse, broadly mucronate, white, 6 – 7 mm.

Cytology : 2n = 32.