Payson’s bladderpod

Lesquerella paysonii Rollins, Contr. Gray Herb. 171: 44. 1950; Physaria paysonii (Rollins) O’Kane & Al-Shehbaz

Fruits elliptic, not keeled; valves: margins (thin, rounded), not covering replum edges, pubescent inside.

Flowering Jun-Aug. Lime-stone substrates of rocky summits, talus, steep slopes, rocky ridges, fine soils, red sandstone, gravelly and gypseous soils, herbaceous communities on slopes, open Douglas-fir and limber pine communities; 1800-3200 m; Idaho, Wyo.