1. Stanleya albescens M. E. Jones, Zoe 2: 17. 1891. TYPE: United States, Arizona, Coconino Co., Moenkopi [as Moencoppa], 10 Jun 1890, M. E. Jones s.n. (holotype, POM; isotypes, GH!, MO!, UC!, US!).

     Herbs, biennial, glaucous. Stems 2–8(–10) dm, erect, simple or few branched below and above, glabrous. Basal leaves and lowermost cauline ones fleshy, lyrate-pinnatifid or runcinate; petiole 1–6.5 cm; leaf blade broadly lanceolate to oblanceolate or ovate in outline, (1.6–)3–17(–20) x (1–)2–8 cm, glabrous; upper leaves gradually reduced in size and sometimes entire upwards. Racemes somewhat densely flowered; fruiting pedicels horizontal to divaricate-ascending, (4–)5–11(–15) mm, straight. Flowers: sepals oblong-linear, (0.9–)1.1–1.8 cm, glabrous; petals pale yellow to whitish, 1.2–1.8 cm; blade orbicular to broadly obovate 3–7 × (2.5–)3–6 mm; claw wider at base, pubescent apically on the inside, 5–8 mm; filaments 1–2.2 mm, pilose at base; anthers linear, 3–5.5 mm. Fruit linear, 2.3–6 cm × 1–2 mm, subterete, suberect to ascending, slightly curved inward; valves glabrous; gynophore 1–2.2(–2.6) cm, hirsute at base; style 0.2–0.5 mm; ovules and seeds 24–44 per ovary. Seeds brown, ovoid to oblong, 1.4–2 × 0.8–0.9 mm.

Flowering: May–Jun.

Habitat: barren clay slopes and flats, open clay knolls, gumbo clay bluffs, Mancos shale.

Elevation: 1300–2100 m.

Distribution: United States (NE Arizona, SW Colorado, NW New Mexico).