1	"Flowers subtended by petaloid bracts; plants shrubs or woody climbers to 2 m or more taller, vigorous shoots with recurved thorns; leaves alternate to subopposite"	"Bougainvillea {Bougainvillea x buttiana}"
1	"Flowers subtended by small lanceolate bracts or a calyx-like involucre of fused bracts; plants annual or perennial herbs, sometimes more or less woody and/or scandent; leaves opposite"	2
2	"Anthocarps broadly 5-winged; perianth limbs tubular 20-35 mm long"	"Selinocarpus {Selinocarpus somalensis}"
2	"Anthocarps not winged; perianth limbs varied"	3
3	"Each flower surrounded by a calyx-like involucre of fused bracts; perianth-limbs 25-35 mm long; anthocarps subglobose, 7-8 mm long, black"	"Mirabilis {Mirabilis jalapa}"
3	"Flowers subtended by small, often caducous, lanceolate bracts; perianth-limbs 2-11 mm long; anthocarps fusiform, vlavate, or obconical, up to 5.5 mm long, pale"	4
4	"Perianth-limbs campanulate, up to 2.5 mm long; stamens barely exserted; anthocarps clearly 5-ribbed, glabrous or uniformly hairy, viscid but without large, multicellular glands"	Boerhavia
4	"Perianth-limbs trumpet- or funnel-shaped, 2-11 mm long; stamens exserted; anthcarps obscurely 10-ribbed/grooved, glabrous with conspicuous large, dark, sticky glands"	Commicarpus