LEAVES : Leaflets 7–13, linear to narrowly oblanceolate, 0.8–1.2 mm long, 0.5–1.5 mm wide, the terminal one equal to the laterals. NOTES : On rocky knolls and talus at base of sandstone cliffs: Marble Canyon area, endemic to Coconino Co. (Fig. 2A); 1050–1470 m (3450–4850 ft); late Apr–Jun.