Herbs, perennial, spreading, 10-30 cm tall. Rootstock to 25 × 0.3-1 cm, branched. Stems several, ascending, leafy and branched from base. Lower leaves: petiole 3-6 cm, vaginate; blade oblanceolate, 5-10 × 1-2 cm, obtuse, pinnate with 4-6 pairs of distant pinnae; leaflets decreasing in size toward base of leaf, shallowly to deeply 3-6-parted; lobes obovate, papillose-scabrid along margin and veins. Racemes rather dense in flower, much elongating and rather lax in fruit, 10-18-flowered; bracts lanceolate, 7-15 mm, lower ones pinnatifid, upper ones entire, lanceolate, papillose-scabrid. Pedicel 5-10 mm, sharply recurved in fruit. Flowers yellow or dirty yellow; keels often purplish brown; outer petals acute, with crest to 1 mm wide, overtopping apex; upper petal 17-18 mm; spur straight or arcuately decurved, cylindric, 8-10 mm; nectary extended through 1/2-2/3 of spur; lower petal 9-10 mm with rhombic-subacute blade; claw ca. as long as petal lobe; inner petals ca. 8 mm; claw shorter than limb. Stigma square with 4 apical papillae, laterally and on basal lobes with geminate papillae. Capsule obovoid to oblong, 8-9 × 2-3 mm, 1-6-seeded; style ca. 3 mm. Seeds ca. 1.7 mm, smooth.
Home