1149:(A)
previous:F
previous:547
Ovary superior or nearly so.
next:1150

1149:(B)
Ovary inferior or hemi-inferior.
next:1371

1150:(A)
previous:J
previous:1149
Stamens 1 - 10.
next:1151

1150:(B)
Stamens 11 or more.
next:1312

1151:(A)
previous:1150
Style 1, undivided. Stigma either 1 or more, adjacent at base, or stigma 1, sessile.
next:1152

1151:(B)
Styles either 2 or more, free or partly connate but with free stigmas, or stigmas sessile, 2 or more.
next:1261

1152:(A)
previous:1151
Ovary 1-locular, sometimes incompletely so.
next:1153

1152:(B)
Ovary completely or nearly completely 2- or more- locular.
next:1194

1153:(A)
previous:1152
Ovule 1.
next:1154

1153:(B)
Ovules 2 or more.
next:1165

1154:(A)
previous:1153
Stigma 1.
next:1157

1154:(B)
Stigmas 2, or 3, or 5.
next:1155

1155:(A)
previous:1154
Herbs or undershrubs, rarely shrubs. Leaves simple, usually opposite. Petals usually minute. Stigmas 2 or 3.

1155:(B)
Woody plants.
next:1156

1156:(A)
previous:1155
Trees. Leaves pinnately compound, Stigmas 2 or 3.

1156:(B)
Woody plants. Leaves simple, opposite. Stigmas 5. Stamens 5, epipetalous.

1157:(A)
previous:1154
Flowers actinomorphic, rarely slightly zygomorphic, then not papilionate.
next:1158

1157:(B)
Flowers usually zygomorphic and papilionate, when actinomorphic stipules present, as usual I, and ovule parietal. Stamens 8- 10.

1158:(A)
previous:1157
Stipules present, sometimes minute, and/or early fugacious.
next:1159

1158:(B)
Stipules absent. Shrubs or trees.
next:1163

1159:(A)
previous:1158
Corolla valvate.
next:1160

1159:(B)
Corolla imbricate or apert.
next:1161

1160:(A)
previous:1159
Plants usually herbaceous. Leaves lobed, or partite, or compound. Endosperm absent. N. America. (Gillenia)

1160:(B)
Trees. Leaves undivided. Endosperm copious. Flowers solitary or in fascicles. Sepals valvate, calyptrate. Stamens 8-10. Anthers quadrangular. Ovule erect. Tropical Africa. (Hua, also in Sterculiaceae or Styracaceae)

1161:(A)
previous:1159
Leaves undivided. Corolla imbricate. Ovule erect, basal.
next:1162

1161:(B)
Leaves lobed. Flowers in capitules. Corolla apert. Ovule pendulous. Endosperm present. (Platanus)

1162:(A)
previous:1161
Flowers cymose or solitary. Stamens 4 or 5. Style terminal.

1162:(B)
Flowers in a terminal panicle. Stamens 3-10. Style gynobasic. Madagascar, Tropical America. (Hirtella)

1163:(A)
previous:1158
Staminodes petaloid. Trees without resin. Leaves alternate, undivided. Flowers in panicles. Fertile stamens epipetalous. Ovule pendulous, anatropous, apotropous. Endosperm present.

1163:(B)
Staminodes not petaloid or absent.
next:1164

1164:(A)
previous:1163
Resiniferous plants. Bark not silky fibrous inside. Flowers usually in panicles. Ovule with dorsal raphe, usually erect, micropyle downwards. Endosperm absent or nearly so.

1164:(B)
Plants without resin. Bark inside with tough silky fibres. Flowers in spikes, or in racemes, or in capitules, or in umbels, or solitary, rarely in panicles. Ovule with ventral raphe, pendulous. Leaves simple.

1165:(A)
previous:1153
Ovules 2.
next:1166

1165:(B)
Ovules 3 or more.
next:1177

1166:(A)
previous:1165
Leaves undivided or lobed.
next:1167

1166:(B)
Leaves compound.
next:1176

1167:(A)
previous:1166
Leaves opposite. Stamens 1-5.
next:1168

1167:(B)
Leaves alternate, rarely opposite or in whorls, but then stamens 10.
next:1170

1168:(A)
previous:1167
Flowers zygomorphic. Calyx valvate. Stamens 6-9.

1168:(B)
Flowers actinomorphic. Calyx imbricate. Stamens 1-5.
next:1169

1169:(A)
previous:1168
Stem herbaceous or woody at base only. Stamens 1 -5. Ovary not immersed in a disk. Stigmas usually 2 or 3. Ovules basal or on a central placenta. Endosperm present. Embryo more or less curved.

1169:(B)
Stem woody. Stamens 5. Ovary usually immersed in a large disk.

1170:(A)
previous:1167
Style gynobasic. Ovules basal.

1170:(B)
Style terminal or stigma sessile and terminal.
next:1171

1171:(A)
previous:1170
Stipules present, usually distinct, rarely inconspicuous or soon caducous.
next:1172

1171:(B)
Stipules absent.
next:1174

1172:(A)
previous:1171
Placenta 1.

1172:(B)
Placentas 2.
next:1173

1173:(A)
previous:1172
Calyx imbricate. Stamens 5, alternipetalous. Anthers connate. Australia, New Zealand, Norfolk Isl. (Hymenanthera)

1173:(B)
Calyx valvate. Stamens 4-7, epipetalous. Ovules ascending.

1174:(A)
previous:1171
Calyx valvate. Stamens 10. Ovules pendulous, apical.

1174:(B)
Calyx imbricate. Stamens 5 - 10.
next:1175

1175:(A)
previous:1174
Stamens 5, epipetalous. Ovules pendulous from 1 usually free placenta.

1175:(B)
Stamens 5 - 10. Placenta basal.

1176:(A)
previous:1166
Stipules absent. Flowers actinomorphic or nearly so. Ovules atropous, collateral, ascending. Leaves imparipinnate or unifoliolate.

1176:(B)
Stipules usually present. Flowers usually distinctly zygomorphic. Ovules anatropous or hemitropous, serial, rarely collateral, but then flowers very zygomorphic. Leaves variously compound, or simple, or unifoliolate.

1177:(A)
previous:1165
Placenta basal or central, but sometimes also incomplete septa present.
next:1178

1177:(B)
Placentas one or more, parietal.
next:1183

1178:(A)
previous:1177
Corolla usually valvate. Shrubs or trees. Leaves alternate. Stipules absent. Ovules 3 - 6 on the apex of a free central placenta.
next:1179

1178:(B)
Corolla imbricate or apert. Ovules basal, ascending on a free central placenta, at least the upper ones.
next:1180

1179:(A)
previous:1178
Stipules absent. Ovules pendulous, 3 - 5.

1179:(B)
Stipules early fugacious. Ovules erect, 6. Flowers in dense, subglobose umbels. Tepals 10 - 14, valvate. Disk-glands alternating with the 5-7 stamens, epitepalous. Capsule short hairy. S.E. Asia.

1180:(A)
previous:1178
Calyx valvate. Embryo straight.
next:1181

1180:(B)
Calyx imbricate. Leaves opposite. Endosperm present.
next:1182

1181:(A)
previous:1180
Stigma 1. Endosperm absent.

1181:(B)
Stigmas 2 or 3. Endosperm scanty. Woody plants. Stamens 5, epipetalous. Ovary incompletely locular, ovules 4-6.

1182:(A)
previous:1180
Herbs or undershrubs. Stamens 1 - 5. Stigmas 2 or 3, rarely 1, elongated. Embryo more or less curved.

1182:(B)
Stem woody. Stamens 5. Stigma 1, peltate.

1183:(A)
previous:1177
Placenta 1, parietal.
next:1184

1183:(B)
Placentas 2- more.
next:1186

1184:(A)
previous:1183
Calyx valvate or descendingly imbricate (i.e. the odd sepal above)
next:1185

1184:(B)
Calyx ascendingly imbricate (i.e. the odd sepal below), rarely closed, or apert, or valvate, then leaves simple and entire, or 2-lobed or -partite, or, as usual, compound. Stipules present.

1185:(A)
previous:1184
Stem woody. Leaves alternate, dentate, or 3-9-lobed. Stipules present.

1185:(B)
Stem herbaceous. Leaves opposite, entire. Stipules absent. Ovary occasionally 2-locular with 1 empty locule.

1186:(A)
previous:1183
Leaves simple. Anthers with 2 longitudinal slits or apical pores.
next:1187

1186:(B)
Leaves pinnately compound. Anthers with 1 longitudinal slit. Trees. Flowers zygomorphic. Fertile stamens 5, epipetalous. Ovules many. Endosperm absent.

1187:(A)
previous:1186
Stamens as many as the petals, alternipetalous.
next:1188

1187:(B)
Stamens more than petals, rarely as many, then epipetalous.
next:1191

1188:(A)
previous:1187
Tendrils absent. Corona absent, staminodes occasionally present.
next:1189

1188:(B)
Climber with tendrils. Inflorescence axillary. Flowers actinomorphic. Ovary stipitate or corona present. Stigma 1, broad.

1189:(A)
previous:1188
Flowers actinomorphic. Filaments well developed. Staminodes 5. Stigmas 3 or 4.
next:1190

1189:(B)
Flowers more or less zygomorphic. Filaments short. Staminodes absent. Anthers bent together into a tube, usually appendiculate. Ovary sessile. Stigma 1, rarely 2 - 5, then stem woody.

1190:(A)
previous:1189
Herbs. Leaves radical. Staminodes 5, incised. (Parnassiaceae)
Parnassiaceae
1190:(B)
Shrubs or trees. Leaves alternate, cauline. Staminodes absent. (Escalloniaceae)
Escalloniaceae
1191:(A)
previous:1187
Herbs. Ovules many.
next:1192

1191:(B)
Woody plants.
next:1193

1192:(A)
previous:1191
Sepals 4 or 5, valvate, persistent. Petals 4 or 5.

1192:(B)
Sepals 2, early deciduous as a cap. Petals 4. Pacific N. America. (Eschscholzia)

1193:(A)
previous:1191
Stamens usually more than the petals, rarely as many, then epipetalous, but calyx imbricate, ovules pendulous and fruit dry.

1193:(B)
Stamens epipetalous. Thorny shrubs. Calyx valvate. Ovules 4, ascending. Fruit a drupe.