Oxypolis occidentalis Coult. & Rose

Oxypolis occidentalis Coult. & Rose, Contr. U. S Nat. Herb. 7: 196. 1900.
Plants 6-15 dm. high; leaves oblong in general outline, excluding the petioles 12-30 cm. long, 6-20 cm. broad, pinnate, the leaflets 5-13, ovate to linear-lanceolate, 3.5-6.5 cm. long, 5-50 mm. broad, crenate-dentate, serrate, or incised, or some 2-parted; cauline leaves with dilated petioles and few small leaflets; peduncles 6-30 cm. long; involucre of several linear, scarious bracts 5-25 mm. long, or wanting; involucel of linear-lanceolate bractlets 5-15 mm. long; rays 12-24, spreading-ascending, subequal to very unequal, 2-8 cm. long; pedicels spreading, 3-15 mm. long; calyxteeth conspicuous; fruit oval or oblong, 5-6 mm. long, 3-4 mm. broad.
Type locality: "In springy meadows west of Crater Lake," Oregon, 1870 m., Leiberg 4413. Distribution: Cascade Mountains of southern Oregon through the Sierra Nevada to the mountains of southern California {Hall 9676. Heller 11.641).