1	"Fruit a capsule"	2
1	"Fruit a berry (dry or fleshy)"	6
2	"Fruit prickly"	Datura
2	"Fruit not prickly"	3
3	"Calyx lobes > tube, winged toward base"	"Nicandra {Nicandra physalodes}"
3	"Calyx lobes generally < tube, not wing-like at base"	4
4	"Corolla narrowly urn-shaped; seeds flat, wing 0.5 mm wide"	"Oryctes {Oryctes nevadensis}"
4	"Corolla funnel-shaped to salverform; seeds angled but not flat, wing 0"	5
5	"Flowers in racemes or panicles, only lower in axils of leaf-like bracts"	Nicotiana
5	"Flowers 1 in axils of leaves or leaf-like bracts"	"Petunia {Petunia parviflora}"
6	"Corolla salverform to funnel-, bell-, or urn-shaped, or lobes reflexed"	7
6	"Corolla +- rotate to shallowly bell-shaped or lobes reflexed"	9
7	"Shrub, generally with thorns"	Lycium
7	"Perennial herb or shrub, unarmed"	8
8	"Plant erect shrub; corolla narrowly funnel-shaped"	Cestrum
8	"Plant decumbent or climbing perennial herb; corolla urn-shaped"	"Salpichroa {Salpichroa origanifolia}"
9	"Anthers opening by pores or short slits near tip"	Solanum
9	"Anthers opening by slits from tip (except any sterile part) to near base"	10
10	"Anthers generally > filaments"	11
10	"Anthers generally < filaments"	12
11	"Anthers adherent, tube-like around style; leaves +- odd-1--2-pinnate"	Lycopersicon
11	"Anthers free, not tube-like around style; leaves entire to deeply pinnately lobed"	Solanum
12	"Calyx in fruit +- enlarged but not bladder-like; corolla tube tomentose between stamen bases"	Chamaesaracha
12	"Calyx in fruit bladder-like; corolla tube hairy but not tomentose between stamen bases"	Physalis