SETOSA var. OTEROI  Moran, 1993   (engl./ fr.)

Series Ciliatae

Type : Otero 26, collected 1972 on rocks covered with moss in shade of oaks, about 5 km north of Concepción de Buenavista, Sierra Mixteca, Oaxaca.

Distribution : Mexico (Oaxaca : Sierra Mixteca).

Description by Reid Moran :

Caudex 7 – 15 mm thick, sparsely branching, glabrous or with fringe of trichomes to 2 mm long around leaf scar.

Rosettes flattish, 5 – 15 cm wide, of 15 – 45 leaves.

Leaves glaucous becoming green, ± 1.5 – 2.5 times longer than wide, rhombic-spatulate to -obovate, cuneate with lower margins incurved, at first acuminate but becoming obtuse and mucronate, 2.5 – 8 cm long, 13 – 34 mm wide above and to 7 mm wide at base, 3 – 10 mm thick, glabrous throughout to closely ciliate from apex nearly to base and on upper keel and with a few scattered trichomes on surface, the trichomes 1.5 – 2.5 mm long, 0.05 – 0.1 mm thick, of ± 15 – 30 cells.

Floral stem 1 – 2 dm  tall, 2 – 6 mm thick, reddish below, glabrous to subglabrous with few scattered trichomes to irregularly hirsute, with ±  5 – 9 leaves, the leaves elliptic to ovate, 8 – 17 mm long, 5 – 9 mm wide, glabrous to ciliate.

Cincinni 5 – 11-flowered, the pedicels glabrous to somewhat pubescent, the lower 6 – 22 mm long, calyx disk 4 – 7 mm wide, the segments slightly ascending, unequal or nearly equal, elliptic to triangular-ovate, acute, 5 – 10 mm long, 2.5 – 8 mm wide, 1.5 – 3 mm thick, glabrous to ciliate, corolla 11 – 13 mm long, 6 – 9 mm thick, 5 – 6 mm wide at apex, the segments connate 1.5 – 3 mm, oblong, broadly acute, apiculate, 3.5 – 6 mm wide, glabrous or with few scattered tiny hairs mostly on or near keel and on exposed margin.

Cytology : n = 25

Vegetatively, the glabrous clones of this variety seem unrelated to E. setosa, but the flowers are almost identical.

The plants on www.crassulaceae.com do not match the description.

Link to a summary of the above description in French.