KRISTENII   Reyes, Gonzáles-Zorzano & Etter, 2012

Distribution : Durango, growing in tropical deciduous forest on the river  banks of the Rio Piaxtla, and near Mezquital, possibly also in Sinaloa.  

Description :

Perennial, acaulescent, caespitose herb.

Roots tuberous.

Leaves rosulate, spatulate to clavate, apex obtuse, 4 - 11 mm long and 2 - 2.6 mm wide, flat, green, papillose.

Inflorescences 1 - 2 per rosette, basal, ascending, finely papillose, 7 - 8 cm long, brownish-grey to slightly reddish.

Leaves of floral stems ascending, spatulate, spurred, apex obtuse, 9 - 15 mm long and 1.9 - 3 mm wide.

Flowers 5-merous, sepals 3.5 - 4.3 mm long and 1.1 - 1.3 mm wide, lanceolate, acuminate, papillose, petals basally free, 5.3 - 5.8 mm long and 1.8 - 2 mm wide, lanceolate, stellate to slightly retrorse, carpels white, erect, 3.1 - 4 mm long, filaments white, anthers first reddish, later black, nectaries stipitate, brownish-grey.

Flowering in cultivation from late October until mid-winter.

The species is related to Sedum bellum, S. copalense and S. lumholtzii.

First published in Haseltonia 18: 48-51, 2012

Note :

Contradictions in the original description :

p.49 : "neither stems nor evident ramifications" - p.50 "Growing habit : branching".

p.49 : "diminutive papillae" - p.50 "tuberculate"