Herbs, perennial, caespitose, 25-40 cm tall. Roots not seen. Stems (2 to many, from radical leaf axils) simple or branched above, with 5-10 scattered leaves. Radical leaves many; petiole 6-12 cm, broadly and long sheathing at base; blade oblong, 6-12 × 2.5-4 cm, bipinnate; primary pinnae 2-4 pairs, petiolulate; secondary pinnules 3-5, sessile, usually 3-parted; lobes lanceolate, acute to acuminate. Cauline leaves with short, winged petioles, pinnate, small, grading into bracts. Racemes 5-10 cm, 7-15-flowered, at first dense then distant; bracts cuneate, lower ones ca. 2.5 cm, 3-5-parted, upper ones lanceolate and entire. Pedicel 14-20(-30) mm, recurved in fruit. Sepals not recorded. Corolla yellow; outer petals purplish at apex; inner petals with dark purple tips; outer petals very narrowly crested; upper petal 20-23 mm, mucronate; spur nearly straight, 12-13 mm, slender; nectary ca. 1/2 as long as spur; lower petal with sharply deflexed distal 1/2; inner petals ca. 9 mm. Fruit elliptic, ca. 13 × 3 mm.
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