1	"Woody climber; stem leaves opposite; fruits feathery "	Clematis
1	"Plants herbaceous, occasionally woody but not climbing; leaves alternate and/or basal only "	2
2	"Fruit with several seeds, splitting (follicle)"	3
2	"Fruit 1–seeded, not splitting (achene)"	11
3	"Flowers divisible into 2 equal halves by one plane only (bilaterally symmetrical)"	4
3	"Flowers divisible into 2 equal halves by several planes (radially symmetrical)"	6
4	"Flower with 1 carpel; fruit of 1 follicle (grown as an annual bedding plant)"	Consolida
4	"Flower with 2 or more carpels; fruit of 2 or more follicles (herbaceous perennial)"	5
5	"Upper perianth segment hooded or helmet-like"	Aconitum
5	"Upper perianth segment with a spur "	Delphinium
6	"Flowers small, numerous, white, in long spikes "	Cimicifuga
6	"Flowers not as above "	7
7	"Petals as long as or longer than the sepals and petals with a backward-pointing spur or pouch "	8
7	"Sepals smaller (sometimes only narrower) than petals, petals without spurs or pouches"	9
8	"Petals with backward-pointing spurs (except in a few cultivars of e.g. A. vulgaris) "	Aquilegia
8	"Petals without spurs but with a small pouch at the base "	Semiaquilegia
9	"Flowers yellow, leaves palmately divided "	Trollius
9	"Flowers and leaves not as above "	10
10	"Annual; leaves fine, thread-like; flowers blue with a whorl of leaf-like bracts just below flower "	Nigella
10	"Perennial; leaves with 3 leaflets or pedate; flowers without a whorl of bracts just below flower "	Helleborus
11	"Perianth of 2 distinct whorls (sepals and petals)"	Ranunculus
11	"Perianth of a single whorl of petal-like segments (sometimes soon shed)"	12
12	"Flowers without a whorl of bracts"	Thalictrum
12	"Flowers with a whorl of 3 leaf-like bracts below (sometimes several cms below)"	13
13	"Styles extending and becoming feathery in fruit; sterile stamens producing nectar "	Pulsatilla
13	"Styles not extending and becoming feathery; flowers without sterile nectar producing stamens "	Anemone