1	"Perianth segments (tepals) 3–7 mm long; plants usually annuals"	2
1	"Perianth segments (tepals) 7–22 mm long; plants perennial"	3
2	"Seeds with membranous wings; capsules 4–9 mm long; all stamens bearded; anthers yellow"	"Bulbine alata"
2	"Seeds without membranous wings; capsules 2–4.5 mm long; only 3 stamens bearded; anthers reddish, orange or yellow-brown"	"Bulbine semibarbata"
3	"Scapes sharply angular; fruiting pedicels often twisted across rachis and drooping at end; seeds prominently ridged"	"Bulbine vagans"
3	"Scapes terete or obscurely angular; fruiting pedicels not twisted across rachis or drooping at end; seeds smooth, slightly tuberculate or slightly ridged"	4
4	"Stamens all erect with anthers bunched; filament hairs slightly clavate, 1–1.8 mm long, clustered below anthers, rarely with a few reduced hairs below midpoint of filament; styles (straightened) 3–5.5 mm long; habitat various, but not on cracking clay plains"	"Bulbine bulbosa"
4	"Three stamens opposite inner tepals all spreading, 3 opposite the outer tepals variously orientated; filament hairs acicular, acute, longest hairs 2–3 mm long, distributed along at least the distal half of each filament and sometimes extending to 1 mm from filament base; styles (straightened) 6.5–13 mm long; grasslands on cracking clay plains"	"Bulbine fraseri"