Stem 20--35 cm tall, retrorsely puberulent, sometimes sparsely hispid proximally, glabrescent distally, simple or branched. Petiole base at least 8 mm wide; leaf blade 6--10 cm wide, base deeply cordate; primary lobes separate for at least 75% of blade radius; central lobe rhombic, 3-cleft, distally 1-or 2-lobulate, apex acute; ultimate lobules triangular or narrowly lanceolate; proximal leaves usually not withered. Raceme 10--20 cm, 3--7-flowered; rachis subglabrous; bracts lanceolate to filiform. Pedicels 1.5--4 cm, distally sparsely puberulent; bracteoles distal, lanceolate to filiform, 4.5--9 mm. Sepals blue, abaxially puberulent; spur subulate, 2--2.5 cm, straight or slightly recurved, base 3--4 mm in diam.; other sepals 2--2.6 cm. Petals undivided, glabrous. Staminode limb obovate, undivided or emarginate, yellow (rarely white) barbate. Filaments pilose. Carpels 3; ovaries pubescent. Fl. Sep--Oct.
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