Description. The plants are glaucous and glabrous or minutely scabrous and are from 10 to 45 cm high. The taproot is slender and scabrous. The leaves have 5/10 cm wide blades with ternately or ternate-pinnately dissected, segments which are linear to oblong and from 1 to 15 mm of length. The inflorescence is a compound umbel and the 8-12 rays are from 1 cm to 7 cm long. The spreading peduncles are from 10 to 40 cm in length. The color of the corolla is cream to lemon-yellow. The 5 to 10 bractlets are 2-7 mm long. The glabrous fruits are oblong-elliptic to elliptic and from 8 to 15 mm of length with pedicels from 3 to 6 mm of length and with wings about half the width of the body. The obscure oil tubes are several per rib-interval.