192:(A)
previous:163
Style absent, stigma(s) sessile, if 2-more connate at base and ovary 1 per flower.
next:193
192:(B)
Styles 2-more, free to base, rarely ovaries 2-5, free, each with 1 style.
next:207
193:(A)
previous:192
Stigma 1, sometimes 3- or 4-lobed. Ovary 1-locular and ovule 1, rarely locule inconspicuous and ovules 1 or 3. (Balanophoraceae)
next:194
193:(B)
Stigmas 2-5.
next:199
194:(A)
previous:193
Ovule 1, basal.
next:195
194:(B)
Ovules 1(-3), apical, or adnate with the ovary-tissue.
next:196
195:(A)
previous:194
Stipules present. Tepals and stamens 1-5.
195:(B)
Stipules absent. Male flowers with 4 or 5 sepals and petals and 8 -10 stamens. (Podoaceae)
Podoaceae
196:(A)
previous:194
Stem herbaceous.
next:197
196:(B)
Stem woody. Leaves well-developed.
next:198
197:(A)
previous:196
Parasites. Leaves scale-like or absent. Stipules absent. Inflorescence spadix-like or paniculately branched.
197:(B)
Autotrophic annuals. Leaves well developed. Stipules present. Flowers in a spike. (Piscaria)
198:(A)
previous:196
Stipules present. Flowers in an excavated common receptacle. Perianth-segments usually distinct. Anthers with longitudinal slits.
198:(B)
Stipules absent. Flowers in umbels or capitules. Perianth obscure. Anthers with valves.
199:(A)
previous:193
Ovary 1-locular, rarely with a second sterile locule.
next:200
199:(B)
Ovary with 2-4 fertile locules, rarely incompletely locular.
next:206
200:(A)
previous:199
Ovule 1.
next:201
200:(B)
Ovules 2-4. Leaves in whorls, scale-like. Stamen 1.
201:(A)
previous:200
Ovule basal.
next:202
201:(B)
Ovule apical. Stipules present.
202:(A)
previous:201
stipules absent. Ovule anatropous or campylotropous.
next:203
202:(B)
Stipules present. Ovule atropous. Trees. Leaves pinnately compound. (Carya, Platycarya)
203:(A)
previous:202
Stamens either as many as the tepals and more or less epitepalous, or less. Ovule campylotropous. Endosperm present. Embryo curved.
next:204
203:(B)
Stamens as many as the tepals and alternitepalous. Ovule anatropous. Endosperm absent. Embryo straight.
next:205
204:(A)
previous:203
previous:210
Plants usually mealy to lepidote with stellate or bladder-like hairs. Male flowers without bracteoles. Tepals herbaceous or membranous, usually obtuse. (incl. Halophytaceae ?)
Halophytaceae
204:(B)
Plants glabrous. Male flowers with bracteoles. Tepals acuminate, almost scarious. (Acanthochiton, Acnida)
205:(A)
previous:203
Leaves simple, but often dissected. Male flowers in capitules. Stigmas 2.
205:(B)
Leaves pinnately compound, rarely unifoliolate. Male flowers in spikes or in panicles. Stigmas 3. Woody plants.
206:(A)
previous:199
Ovary 2- or 3-locular. Ovule 1 or 2 per locule, pendulous. Endosperm present.
next:191
206:(B)
Ovary 4-locular. Ovule 1 per locule, ascending. Leaves opposite. Stamens 4. Stigmas 2. Endosperm absent.
207:(A)
previous:192
Ovary 1, 1-4-locular, or locule inconspicuous (Balanophoraceae)
next:208
207:(B)
Ovaries 2-5, free, stipitate, 1-locular. Woody plants. Flowers axillary, solitary. Ovules numerous. China, Japan.
208:(A)
previous:207
Ovary 1-locular or locule inconspicuous.
next:209
208:(B)
Ovary 2-4-locular.
next:212
209:(A)
previous:208
Autotrophic plants. Leaves well developed, green.
next:210
209:(B)
Parasitic, yellowish or reddish herbs. Leaves scale-like. Inflorescence spadix-like or disk-like. (Scybalioideae)
210:(A)
previous:209
Ovule 1, basal, campylotropous. Back to.
next:204
210:(B)
Ovules 2. Woody plants. Flowers in catkins.
next:211
211:(A)
previous:210
Plants monoecious. Leaves alternate. Stipules present.
211:(B)
Plants dioecious. Leaves opposite. Stipules absent.
212:(A)
previous:208
Ovary 3-locular, rarely 2- or 4-locular. Endosperm present.
next:213
212:(B)
Ovary 2-locular. Endosperm absent-Plants woody, monoecious. Stipules present. Flowers in unisexual catkins. Styles 2. Ovule 1 per locule.
213:(A)
previous:212
Aquatic herbs. Leaves submerged, divided. Styles 4. Ovary 4-locular. Ovule 1 per locule.
213:(B)
Terrestrials. Styles 3, rarely 2 or 4. Ovary 3-locular, rarely 2- or 4 locular, then either flowers dioecious, or in bisexual spikes, or the female in glomerules, or solitary; when 4-locular ovules 2 per locule. (incl. Uapacaceae)
Uapacaceae