KEY TO GENERA NATIVE IN MALESIA

1Leaves bipinnate
1'Leaves pinnate to simple
2Leaves all simple (or unifoliolate)
2'Leaves pinnate to trifoliolate.
3Hairs simple only
3'Indumentum of at least some stellate hairs and/or stellate or peltate scales
4Deciduous shrub; fruit a capsule
4'Evergreen trees; fruit a berry.
5Anthers in 2 whorls of 5
5'Anthers in 1 whorl
6Flowers very small; small tree (Philippines)
6'Flowers conspicuous; trees with Terminalia-branching
7Hairs mixed simple and stellate, suckering shrublets to 1 m
7'Indumentum of stellate hairs and/or stellate or peltate scales; suckers absent
8Leaves all trifoliolate
8'Leaves pinnate 10
9Hairs simple
9'Indumentum of stellate hairs and/or stellate or peltate scales
10Leaves with pseudogemmula (apical bud)
10'Leaves without pseudogemmula
11Leaves with scales and/or stellate hairs
11'Leaves with simple hairs
12Shrublet with large white flowers and capsular fruits
12'Trees or treelets
13Disk present; capsule 5-locular, ± persistent calyx of 5 free sepals; scales absent
13'Disk absent; fruit different; scales often present
14Female inflorescence and infructescence long spicate, scales absent
14'Not this combination of characters.
15Budscales present (Swietenioideae)
15'Budscales absent
16Leaves (l–)2–4(–5)-jugate, maritime.
16'Leaves with more leaflets, forest trees
17Staminal tube present; capsule with 60–100 terminally winged seeds per locule
17'Stamens free; capsule with many fewer seeds with terminal wings or winged at both ends
18Leaves paripinnate
18'Leaves imparipinnate
19Stigma with conspicuous lobes; fruit a drupe
19'Stigma unlobed; fruit a capsule or berry
20Disk absent; fruit a berry
20'Disk present; fruit a capsule
21Anthers in 1 whorl of 10; berries on branches and trunk.
21'Anthers in 2 whorls of 5; berries on axillary infructescences
22Staminal tube cyathiform
22'Staminal tube cylindrical to patelliform
23Leaf rachis swollen at insertion of leaflets
23'Leaf rachis not swollen thus
24Disk absent; fruit a berry
24'Disk present; fruit a capsule or drupe
25Stigma with conspicuous lobes; fruit a 1- (or 2-)seeded drupe
25'Stigma without such lobes; fruit a capsule or drupe with 5 pyrenes
26Staminal tube deeply cleft; fruit a drupe or 1-seeded capsule
26'Staminal tube not deeply cleft; fruit a capsule
27Corolla valvate; fruit a 5- or 6-pyrened drupe
27'Corolla imbricate; fruit a 1-seeded capsule
28Petals 3, disk absent
28'Petals 4 or more, disk present