1	"Palms with a distinct crownshaft"	2
1	"Palms with crownshaft absent or indistinct"	8
2	"New fronds directed upwards and with an unusual spear-like form"	"Dictyosperma, Dypsis"
2	"New fronds not as above"	3
3	"Trunks prominently ringed and cane-like"	"Dypsis, Pinanga"
3	"Trunks possibly ringed but not cane-like"	4
4	"Leaves few, mostly to 8 per crown, reddish at first, leaflets with 0–2 prominent lateral nerves and thickened marginal ribs"	Chambeyronia
4	"Combination of characters not as above"	5
5	"Leaflets spreading or drooping"	Archontophoenix
5	"Leaflets directed upwards"	6
6	"Leaflets with thickened marginal ribs; stamens mostly 30–40"	Kentiopsis
6	"Leaflets without a prominently thickened marginal rib; stamens 6–12"	7
7	"Crownshaft generally green; stamens 6"	Rhopalostylis
7	"Crownshaft generally silvery; stamens 9–12"	Hedyscepe
8	"Leaf stalk absent or spiny"	9
8	"Leaf stalk without teeth or spines"	11
9	"Leaflets V-shaped in section"	Phoenix
9	"Leaflets ^- shaped in section"	10
10	"Trunks solitary and woody"	Butia
10	"Stems cane-like; mostly clustering palms"	Calamus
11	"Stems thin and reed-like"	12
11	"Mature stems at least 5 cm wide"	16
12	"Leaves with leaflets having fishtail-like ragged or wavy margins"	Wallichia
12	"Leaflets not as above"	13
13	"Mostly climbing palms; leaves with a whip-like spiny projection sometimes also on the sheath"	Calamus
13	"Mostly short non-climbing palms; leaves without spiny whips"	14
14	"Leaves with leaflets of irregular size"	Linospadix
14	"Leaves with leaflets more or less regular in size except the terminal leaflet which is sometimes bifid"	15
15	"Leaflets relatively broad, or narrow, well spaced and irregularly arranged along midrib; terminal leaflet sometimes bifid"	Chamaedorea
15	"Leaflets numerous, very narrow and close-set, regularly arranged along the midrib"	Lytocaryum
16	"Trunks generally leaning and swollen at the base with prickly prop roots"	Gaussia
16	"Trunks not as above"	17
17	"Mature trunks massive, sometimes swollen in the centre and narrowing near the crown, with elongated diamond-shaped leaf scars; leaflets numerous; bracts large, woody, boat-shaped; fruit orange-yellow when mature, the single seed looking like a miniature coconut"	Jubaea
17	"Combination of characters not as above"	18
18	"Trunks to 3 m tall; leaves 6–8 per crown, arching and reddish at first; leaf stalks about 1 m long, thin and flexible"	Laccospadix
18	"Combination of characters not as above"	19
19	"Leaflets silvery white below"	"Parajubaea cocoides"
19	"Leaflets not as above"	20
20	"Leaflets V-shaped in section and with irregularly toothed tips"	Arenga
20	"Leaflets ^-shaped in section"	21
21	"Crown with a short, bulging brown-scurfed crownshaft less than 20 cm long"	Lepidorrhachis
21	"Crownshaft absent"	22
22	"Leaf stalks and midribs with white scales, especially at first; leaflets in 1 plane, about 70 on each side of the leaf"	Ravenea
22	"Combination of characters not as above"	23
23	"Leaves to 6 m long with the axis slightly twisted and stalks to 1 m long; fruits large, the nuts (coconuts) hollow and with 3 basal ‘eyes’"	Cocos
23	"Combination of characters not as above"	24
24	"Leaf sheath not fibrous, splitting opposite the petiole"	Oraniopsis
24	"Leaf sheath with fibres"	25
25	"Trunk ringed"	Howea
25	"Trunk not ringed"	Syagrus