Purple Springparsley

Cymopterus purpureus S. Wats. Am. Nat. 7: 300. 1873
Aulospermum purpureum Coult. & Rose, Contr. U. S. Nat. Herb. 7: 178. 1900. Aulospermum Belheli Osterhout, Muhlenbergia 6: 46. 1910. Coriophyllus purpureus Rydb. Bull. Torrev Club 40: 70. 1913. Coriophyllus Belheli Rydb. Bull. Torrey Club 40: 70. 1913.
Plants acaulescent or subcaulescent with the development of an inconspicuous pseudoscape, 10-50 cm. high, glabrous to sparsely scaberulous; leaves ovate to broadly ovate-oblong in general outline, excluding the petioles 2-13.5 cm. long, 2-10 cm. broad, ternate-pinnate or ternate-bipinnate, or rarely bipinnate, the leaflets pallid, glaucescent, subcuneate, somewhat remote, spinulose-dentate, the teeth or lobes triangular, acute, mucronate, 1-5 mm. long, 1—4 mm. broad, distinct to slightly confluent ; petioles 31 2 cm. long ; peduncles exceeding the leaves, 5-34 cm. long; involucre wanting; involucel dimidiate, of several distinct, linear, acuminate bractlets, shorter than the flowers; fertile rays 5-12, spreading or spreading-ascending, 15-45 mm. long; pedicels 4—1 1 mm. long; flowers purple or yellow; fruit oblong to ovoid-oblong, 6-12 mm. long, 5-10 mm. broad, the wings narrow at the base, a little broader than the body; oiltubes 1-8 in the intervals, 3-11 on the commissure; seed-face concave.
Type locality: New Mexico, E. Palmer.
Distribution: Southwestern Colorado and northeastern Utah;southwestern Utah to New Mexico and Arizona. (Baker IS, Payson 255.)