perennial herb; stems  ascending 20-30cm tall

leaves 3-5cm long, 1.5-2cm wide, undulate around 

the edge 

inflorescence terminal; flowers slightly zygomorphic

flower diameter about 1cm

1pistil   2stamens

4staminodes

3petals  3sepals

long pedicel

2 stamens, pistil   filaments glabrous

10-15 seeds;  seeds uniseriate,  hilum linear,

embryotega lateral