1	"Leaf blades elliptic to ovate, sharply toothed, 3-veined; spikes axillary; seeds striate"	"Stillingia spinulosa"
1	"Leaves linear, entire or sparsely toothed in proximal 1/2, 1-veined; spikes terminal; seeds smooth"	2
2	"Spikes exceeding leaves, open in proximal 1/3, pistillate flowers well separated; base of leaf blade entire; seeds +- 2 mm"	"Stillingia linearifolia"
2	"Spikes not exceeding leaves, dense in proximal 1/3, pistillate flowers crowded; base of leaf blade few-toothed; seeds 2.5--3 mm"	"Stillingia paucidentata"