1	"Fruiting heads of 1 or more follicles (sometimes united and forming a capsule); carpels with more than 1 ovule."	2
1	"Fruiting heads of achenes; carpels with 1 ovule."	4
2	"Small alpine herbs mostly less than 10 cm high; leaves not deeply divided but often with 2 basal appendages."	Caltha
2	"Plants more than 10 cm high; leaves deeply lobed or divided."	3
3	"Flowers solitary on stem branches, actinomorphic."	Nigella
3	"Flowers in racemes or branched racemose inflorescences, zygomorphic."	Consolida
4	"Usually climbers and more or less woody; leaves opposite; flowers often unisexual."	Clematis
4	"Terrestrial or aquatic herbs; leaves alternate; flowers bisexual."	5
5	"Petals spurred; achenes on an elongated receptacle, fruiting head more than 10 times as long as thick."	Myosurus
5	"Petals not spurred; achenes forming a globose or ellipsoid head."	6
6	"Petals often red when fresh, without nectaries; anthers often black-purple."	Adonis
6	"Petals mostly white or yellow, bearing nectaries; anthers commonly yellow."	7
7	"Aquatic herbs with submerged leaves divided into filiform segments and with membranous stipules; petals white."	Batrachium
7	"Terrestrial or aquatic herbs, leaf segments broader, without distinct stipules; petals yellow or white"	Ranunculus