720:(A)
previous:550
Ovary 1, undivided or lobed.
next:721
720:(B)
Ovaries 2-more, free, or connate at base.
next:770
721:(A)
previous:720
Ovary 1-locular, sometimes incompletely more-locular.
next:722
721:(B)
Ovary completely 2-more-locular, or nearly so.
next:740
722:(A)
previous:721
Ovules 3-more, or flowers unisexual.
next:723
722:(B)
Ovules 1 or 2.
next:725
723:(A)
previous:722
Petals of all flowers free.
next:724
723:(B)
Petals of the male flowers connate. Trees. Leaves digitately lobed to -compound. Flowers unisexual or polygamous.
724:(A)
previous:723
Petals 4-7.
next:730
724:(B)
Petals 2. Stem herbaceous, sometimes woody at base. Leaves alternate, sometimes in tufts. Stigmas 4, free. Ovules parietal. Endosperm absent. Embryo curved.
725:(A)
previous:722
Ovules erect or ascending. Flowers bisexual, rarely unisexual.
next:726
725:(B)
Ovules pendulous or descending. Leaves alternate. Filaments more or less connate. Styles 3 or 4. Fruit a drupe.
next:729
726:(A)
previous:725
Leaves alternate. Stipules absent. Ovule 1. Stamens 5.
next:727
726:(B)
Leaves opposite. Stipules scarious, or an inter-petiolary ridge present. Ovules 2. Herbs or undershrubs. Calyx imbricate. Fruit a capsule, or dry, indehiscent.
727:(A)
previous:726
Shrubs, rarely herbs or trees. Stamens either alternipetalous, or more than the petals. Styles 3, or 1 with 3 stigmas.
next:728
727:(B)
Herbs, undershrubs, or climbers. Stamens epipetalous. Styles 5. Calyx plicate. Aril absent. (Plumbagineae)
728:(A)
previous:727
Stipules absent. Petals, stamens 5. Tropical Africa. (Stapfiella, also in Flacourtiaceae)
728:(B)
Stipules present, usually connate into a sheath. Petals 3, sometimes 4. Stamens or staminodes 3-9. (Coccolobeae)
729:(A)
previous:725
Stipules absent. Flowers unisexual. Stamens 1-5. Anthers adnate. Embryo curved.
729:(B)
Stipules present. Flowers bisexual. Stamens 10. Anthers versatile. Embryo straight.
730:(A)
previous:724
Staminodes, if present, shorter than the petals, or not both filiform and pubescent.
next:731
730:(B)
Staminodes filiform, 5, longer than the petals, densely pubescent. Trees. Ovary 1-locular with a slender central column and 3 or 4 carpets. Ovules pendulous from the apex of the locule, close to the column, 6-8. W. Africa.
731:(A)
previous:730
Placentas several, parietal, rarely basal, then all leaves radical. Embryo straight.
next:732
731:(B)
Leaves opposite, undivided. Placenta 1, basal or central. Embryo more or less curved. Herbs or undershrubs. Flowers bisexual Sepals 4 or 5.
732:(A)
previous:731
Flowers unisexual.
next:733
732:(B)
Flowers bisexual or polygamous. Herbs or (under-)shrubs.
next:735
733:(A)
previous:732
Shrubs or undershrubs, climbing with hooks or tendrils.
next:734
733:(B)
Erect shrubs or trees without tendrils or hooks. Leaves undivided. Stipules present.
734:(A)
previous:733
Stipules present, usually small and fugacious. Midribs of leaves not excurrent into hooks.
734:(B)
Stipules absent. Midrib of at least some leaves excurrent into 2 recurved hooks. Seeds large, discoidal.
735:(A)
previous:732
Sepals 4-7.
next:736
735:(B)
Sepals 2 or 3. Leaves alternate, usually incised. Stipules absent. Sepals free, imbricate. Petals 4-6. Style 2- or 3-partite.
736:(A)
previous:735
Sepals free. Leaves alternate. Stipules absent.
next:737
736:(B)
Sepals connate at base.
next:738
737:(A)
previous:736
Leaves often scale-like. Placentas usually basal. Seeds hairy.
737:(B)
Leaves entire, crenate, or lobed, or pinnatifid. Placentas parietal. Seeds arillate.
738:(A)
previous:736
Leaves alternate, or all radical, rarely in whorls. Calyx imbricate.
next:739
738:(B)
Leaves opposite. Calyx valvate.
739:(A)
previous:738
Plants insectivorous. Petals imbricate. Anthers extrorse, 4-10. Seeds not arillate.
739:(B)
Plants not insectivorous. Petals contort. Anthers introrse, 5. Seeds arillate. Herbs or undershrubs.
740:(A)
previous:721
Ovules 1 or 2 per locule.
next:741
740:(B)
Ovules 3-more per locule.
next:760
741:(A)
previous:740
Ovules patent or ascending.
next:742
741:(B)
Ovules pendulous or descending.
next:750
742:(A)
previous:741
Leaves opposite. Flowers unisexual or polygamous, 4- or 5-merous. Anthers 2-locular.
next:743
742:(B)
Leaves alternate.
next:744
743:(A)
previous:742
Filaments free. Styles 2.
743:(B)
Filaments connate. Styles 4 or 5.
744:(A)
previous:742
Anthers 1- or 3-more-locular.
next:745
744:(B)
Anthers 2-locular.
next:746
745:(A)
previous:744
Sepals 5. Anthers 1-locular.
745:(B)
Sepals 3. Anthers 3-more-locular.
746:(A)
previous:744
Flowers bisexual or polygamous. Sepals 5, connate at base. Stamens 5 - 10.
next:747
746:(B)
Flowers unisexual. Sepals 2 or 3, free. Stamens 2 or 3. Ericoid undershrubs. Stipules absent. Sepals imbricate. Petals 2 or 3. Filaments free, Ovule 1 per locule.
747:(A)
previous:746
Stipules absent. Petals imbricate or valvate,.
next:748
747:(B)
Stipules present. Petals contort. Filaments connate. Style 1. Ovules 2 per locule.
748:(A)
previous:747
Leaves simple. Flowers bisexual. Filaments connate at base. Styles 2-7, free. Endosperm mealy.
next:749
748:(B)
Leaves pinnate. Flowers polygamous or unisexual. Filaments free. Style 1. Stigma 5-lobed. Endosperm absent or scanty. Sepals connate at base. Ovule campylotropous. Madagascar. (Ptaeroxylaceae: Cadrelopsis)
Ptaeroxylaceae
749:(A)
previous:748
Sepals free. Ovule erect , epitropous. Leaves fleshy. Stamens 10. Aril present. C. America. (Stegnospermataceae)
Stegnospermataceae
749:(B)
Sepals connate at base. Ovule erect or patent, apotropous. Aril present, Australia (Macarthuria), or aril absent, Africa to India (Limeum)
750:(A)
previous:741
Flowers unisexual.
next:751
750:(B)
Flowers bisexual or polygamous.
next:752
751:(A)
previous:750
Petals imbricate. Ovules epitropous, usually 2 per locule, collateral, usually with a caruncle. Stipules usually present.
751:(B)
Petals valvate. Ovule 1 per locule, more or less campylotropous, without a caruncle. Stipules absent. New Caledonia. (Phelline, also in Aquifoliaceae)
752:(A)
previous:750
Leaves usually alternate. Calyx rarely with glands outside, sometimes with apical calli (Anisadenia) Ovules anatropous, rarely atropous or campylotropous. Endosperm present, sometimes scanty.
next:753
752:(B)
Leaves usually opposite. Calyx usually with glands outside. Ovule 1 per locule, more or less hemitropous. Endosperm absent. Woody plants, rarely undershrubs. Petals usually clawed, dentate, or fimbriate. Leaves undivided. Ovary usually lobed. Styles 2-4.
753:(A)
previous:752
Filaments free.
next:754
753:(B)
Filaments connate at base.
next:756
754:(A)
previous:753
Leaves compound, imparipinnate. Flowers 5-merous. Calyx slightly connate, slightly imbricate. Madagascar. (Ptaeroxylaceae: Cadrelopsis)
Ptaeroxylaceae
754:(B)
Leaves simple.
next:755
755:(A)
previous:754
Sepals imbricate, or calyx 4- or 5-dentate, or nearly entire. Stamens 4 or 5. Stigma sessile, capitate, or discoid. Flowers solitary, or in fascicles. Endosperm present.
755:(B)
Sepals valvate. Stamens 10, or 5, then style 2- or 3-lobed, or long and undivided. Leaves usually alternate.
756:(A)
previous:753
Leaves simple, undivided. Ovary undivided.
next:757
756:(B)
Leaves usually compound, sometimes unifoliolate. Ovary lobed. Styles 5, free. (incl. Averrhoaceae)
Averrhoaceae
757:(A)
previous:756
Petals inside without appendages.
next:758
757:(B)
Petals inside with inflated or scale-like appendages. Woody plants. Stipules present. Flowers solitary or in fascicles. Stamens 10. Styles 3 or 4. Fruit a drupe.
758:(A)
previous:757
Leaves alternate. Flowers without an epicalyx.
next:759
758:(B)
Leaves opposite. Flowers with an epicalyx. Flowers solitary or in fascicles. Stigmas usually 3. Argentine, Chile. (Ledocarpaceae: Wendtia)
Ledocarpaceae
759:(A)
previous:758
Petals longer than the sepals, usually contort and clawed. Staminal tube usually with alternipetalous glands, when absent plants either herbaceous, or woody and climbing with hooks. Styles and/or style-branches filiform. Endosperm present. Embryo straight.
759:(B)
Petals ca. as long as the sepals, imbricate, not clawed. Staminal tube eglandular. Styles 31, very short. Endosperm scanty. Embryo curved. Woody plants, not climbing with hooks. Madagascar. (Asteropeiaceae)
Asteropeiaceae
760:(A)
previous:740
Styles or sessile stigmas free.
next:761
760:(B)
Styles connate at base.
next:762
761:(A)
previous:760
Flowers bisexual.
next:763
761:(B)
Flowers unisexual or polygamous. Woody plants. Leaves opposite, with translucent-glandular dots or lines. Stipules absent. Filaments connate. Endosperm absent.
762:(A)
previous:760
Flowers bisexual. Petals always free.
next:768
762:(B)
Flowers polygamous or unisexual. Male flowers with connate petals. Trees. Leaves digitately lobed or divided, terminally tufted. Anthers with 2 longitudinal, introrse slits.
763:(A)
previous:761
Filaments connate at base. Leaves alternate. Endosperm present.
next:764
763:(B)
Filaments free.
next:765
764:(A)
previous:763
Leaves usually compound, sometimes unifoliolate. Ovules axillary. (incl. Averrhoaceae)
Averrhoaceae
764:(B)
Leaves simple. Ovules basal. Australia, New Caledonia. (Macarthuria)
765:(A)
previous:763
Stipules absent. Endosperm scanty to copious.
next:766
765:(B)
Stipules present. Endosperm absent or nearly so. Herbs or undershrubs. Leaves opposite or in whorls, simple or undivided.
766:(A)
previous:765
Herbs. Carpels connate up to the middle.
next:767
766:(B)
Undershrubs. Carpels connate up to the stigmas. Flowers solitary. Sepals, petals 5. Endosperm scanty. S. America. (Balbisia, also in Ledocarpaceae)
Ledocarpaceae
767:(A)
previous:766
Leaves opposite, undivided. Calyx 4-6-partite. Petals 4-6. Endosperm scanty. Flowers in cymes.
767:(B)
Leaves alternate, partly lobed. Flower 5-merous. Endosperm copious. Tepals 5, corolloid. Nectaries lobed. (Helleboraceae)
768:(A)
previous:762
Calyx imbricate. Leaves undivided. Stipules absent.
next:769
768:(B)
Calyx valvate. Calyx 5-lobed or -partite. Filaments more or less connate.
769:(A)
previous:768
Calyx 5-partite. Filaments free or nearly so. Anthers with 2 apical pores. Stamens 10.
769:(B)
Sepals 5, free. Filaments distinct r connate at base. Anthers with slits. Stamens 8-10. Madagascar. (Asteropeiaceae)
Asteropeiaceae