Sierra bladdernut

Plants 2–6 m. Leaves: leaflet blades widely ovate to widely elliptic or ± round, (2–)2.5–8(–15) cm, margins crenulate-serrulate, apex short-acuminate to apiculate, glabrous. Flowers cylindro-campanulate; sepals white, 5–7(–9) mm; petals narrowly oblong or oblanceolate, 7–8(–12) mm, apex not recurved; filaments exserted, 9–10(–15) mm, longer than petals, glabrous; pistils glabrous, styles equal to or surpassing stamens. Capsules ellipsoid, (2.5–)3.5–4(–5.5) cm.

Flowering Mar–May. Chaparral, foothill woodlands, yellow pine forests, slopes, canyon sides; (200–)300–1400 m; Calif.

Staphylea bolanderi occurs in the foothills and at the lower elevations of the Cascades and Klamath ranges, the Sierra Nevada, and the Tehachapi Mountains.