KEY TO THE VARIETIES

1	Adult leaves glabrous; nerves prominent below; inflorescence axis zig-zag; hypanthium infundibuliform, 15-18 mm long, 6 mm diam Bauhinia pachyphylla var. pachyphylla
1'	Adult leaves sparsely tomentose below; inflorescence axis straight; hypanthium tubular, at least 20 mm long, 2-3 mm diam Bauhinia pachyphylla var. wenzelii