Dudleya collomiae Rose, Desert Pl. Life 6: 68. 1934 (as collomae); Echeveria collomiae (Rose) Kearney & Peebles

Caudices 1.5-3 cm diam. Leaf blades 5-15 × 1-2.5 cm, 2-6 mm thick. Inflorescences: floral shoots red, 5-12-leaved, 15-40 × 0.3-0.6 cm; cincinni 4-15-flowered, 3-12 cm. Pedicels 5-20 mm. Flowers: sepals 4-7 mm; petals bright yellow, red-tinged, 12-16(-20) mm. 2n = 136.

Flowering spring. Rock crevices and rocky slopes; 400-1800 m; Ariz.

The well-isolated polyploid subsp. collomiae is similar to the diploid subsp. aloides, differing mainly in its larger flowers.