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..2 Upper lip of the calyx < 0.5× as long as the tube; inflorescence usually 4-15 cm long; pedicels and calyx with 0-few clavate glands
..2 Upper lip of the calyx 0.7-1.2× as long as the tube; inflorescence usually 15-30 cm long; pedicels and calyx densely clavate-glandular
....3 Standard 20-23.5 mm long, 21-23 mm wide; leaflets (7-) 9-11 (-13) per leaf; raceme to 33 cm long, with 25-95 flowers opening nearly simultaneously; vine twining clockwise (dextrorse; from lower left ascending to upper right)
......4 Auricles of the standard’s callosity 1.1-1.2 mm long; leaflets (11-) 13-17 (-19) per leaf; raceme to 132 cm long, with the 50-170 flowers opening successively from base to the tip of the inflorescence, those at the base withering before those at the tip have opened
......4 Auricles of the standard’s callosity 0.7-0.8 mm long; leaflets 7-17 per leaf; racemes to 36 cm long