Herbs, perennial, 30-45 cm tall, glabrous; stems and petioles of radical leaves attenuate to filiform underground base. Storage roots fascicled, narrowly oblong, 7-9 cm. Stems slender, branched, with 3 or 4 leaves. Radical leaves few; petiole 7-22 cm; blade strongly glaucous abaxially, green adaxially, broadly ovate, ca. 13 × 11 cm, tripinnate; pinnae 3 pairs, long petiolulate, distant; pinnules 2 pairs, petiolulate to sessile, distant; ultimate leaflets elliptic to oblanceolate, 7-12 × 3-6 mm, mucronate. Cauline leaves sessile, lower bipinnate; upper ternate to biternate. Racemes 2-6 cm, 8-13-flowered; bracts 5-12 mm, lower ones flabellate-divided into narrow acute lobes, upper ones lanceolate with fewer teeth, uppermost subulate. Pedicel 4-6 mm, recurved in fruit. Sepals orbicular, small, margin lacerate. Corolla dark purple; upper petal ca. 25 mm, subacute, abaxial crest short and narrow; spur slightly downcurved, cylindric, 16-17 mm, tapering; nectary ca. 2/5 as long as spur; lower petal rhombic, ca. 8 mm, crest small; inner petals ca. 7 mm. Style ca. 3 mm. Fruit not seen. Fl. and fr. Aug.
Home