1	"Calyx becoming enlarged and more or less enclosing the fruit"	2
1	"Calyx not or only slightly enlarged in fruit, not enclosing the fruit"	7
2	"Calyx armed with prickles"	Solanum
2	"Calyx without prickles"	3
3	"Inflorescences raceme-like or paniculate, with many flowers; fruit a capsule"	4
3	"Inflorescences of a solitary flower or few-flowered clusters"	5
4	"Corollas white with purple markings inside, 6-8 cm long; capsules opening by a lid"	"Hyoscyamus {Hyoscyamus grandiflorus}"
4	"Corollas yellowish or reddish, up to 5.5 cm long; capsules opening by apical valves"	"Nicotiana {Nicotiana tabacum}"
5	"Corolla blue; calyces divided almost to the base"	"Nicandra {Nicandra physalodes}"
5	"Corallas yellowish, whitish, or greenish; calyces divides less than 2/3 their length"	6
6	"Plants with simple hairs, sometimes glabrescent"	Physalis
6	"Plants with branched hairs"	Withania
7	"Corollas 4.5-18 cm long; fruits densely prickly capsules"	Datura
7	"Corollas shorter than 4.5 cm; fruits berries"	8
8	"Corollas funnel-shaped"	"Lycium {Lycium shawii}"
8	"Corollas campanulate or rotate"	9
9	"Calyces shortly toothed"	"Capsicum {Capsicum annuum}"
9	"Calyces with well developed lobes"	Solanum