Stem ca. 30 cm tall, glabrous, simple or 1-branched distally. Leaf blade 3--7 cm wide, base deeply cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic or obovate-rhombic, 3-parted, distally 2-or 3-lobulate, apex acute; ultimate lobules triangular or lanceolate; proximal leaves withered. Raceme ca. 9 cm, ca. 3-flowered, glabrous; bracts 3-parted or undivided, linear. Pedicels 4--5.5 cm; bracteoles distal, linear, 5--9.5 mm. Sepals deep blue, abaxially puberulent, subapically corniculate; spur subulate, ca. 2.5 cm, base ca. 3 mm in diam.; other sepals 1.6--2.2 cm. Petals emarginate, glabrous. Staminode limb suboblong, 2-cleft, yellow barbate. Filaments pilose. Carpels 3; ovaries densely appressed pubescent. Fl. Aug.
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