1610:(A)
previous:1577
Stamens twice as many as the corolla-lobes or less.
next:1611
1610:(B)
Stamens more than twice as many as the corolla-lobes.
next:1612
1611:(A)
previous:1610
Stamens 4. 10.
next:1613
1611:(B)
Stamens many. Herbs. Petals many. Styles 5. Ovary 5-locular. Ovules many per locule. (Corbichonia)
1612:(A)
previous:1610
Stamens 12- more.
next:1634
1612:(B)
Stamens 9. Calyx- and corolla-lobes 3. Anthers with valves. Ovary with 1 ovule.
1613:(A)
previous:1611
Style 1 per flower, stigma 1, or 2-more, then adjacent at base. Ovary 1, if more, more or less connate at least at the apex.
next:1614
1613:(B)
Styles 2-more per flower, free or connate at base but not up to the stigmas, sometimes ovaries free or connate at base only.
next:1629
1614:(A)
previous:1613
Ovary 1-locular, or incompletely so.
next:1615
1614:(B)
Ovary 2-more-locular, or nearly so, or ovaries 2-more, more or less connate at least at the apex.
next:1622
1615:(A)
previous:1614
Ovule 1.
next:1616
1615:(B)
Ovules 2 - more.
next:1619
1616:(A)
previous:1615
Ovule apical or parietal.
next:1617
1616:(B)
Ovule basal. Leaves usually opposite. Filaments connate at base. Endosperm present.
1617:(A)
previous:1616
Flowers bisexual. Anthers dehiscing longitudinally or apically. Endosperm present or not. Leaves alternate or in whorls, rarely opposite.
next:1618
1617:(B)
Flowers unisexual. Anthers with transverse slits. Endosperm present. Leaves alternate. Filaments completely connate.
1618:(A)
previous:1617
Bark inside without tough, silky fibres. Leaves in whorls. Flowers 4-merous. Stamens 6-8. Anthers longitudinally or apically dehiscent. Endosperm present.
1618:(B)
Bark inside with tough, silky fibres. Leaves alternate, rarely opposite. Flowers 5-merous. Stamens 10. Anthers longitudinally dehiscent. Endosperm absent.
1619:(A)
previous:1615
Leaves alternate.
next:1620
1619:(B)
Leaves opposite. Sepals valvate. Petals usually free at base, connate above. Stamens usually 6. Anthers extrorse. Stigmas 2-6. Ovules several-many, on several parietal placentas..
1620:(A)
previous:1619
Stipules absent. Calyx and corolla imbricate. Stamens 10.
next:1621
1620:(B)
Stipules usually present. Corolla- and usually calyx-lobes valvate. Leaves pinnately compound or simple, or reduced to the petiole. Placenta 1, parietal.
1621:(A)
previous:1620
Leaves simple, undivided. Ovules 4-6, initially parietal, later central. S.W. U.S., Mexico.
1621:(B)
Leaves pinnately compound. Ovules 2, basal or parietal.
1622:(A)
previous:1614
Autotrophic, woody plants. Leaves well developed.
next:1623
1622:(B)
Saprophytic herbs. Leaves scale-like, not green. Ovary 4- or 5-locular. Ovules many per locule.
1623:(A)
previous:1622
Bark inside without tough, silky fibres. Ovary usually 3-20-locular, rarely 2-locular, then leaves small and endosperm present, or ovaries 2-more, free at base but not at the apex, then leaves translucent-glandular-punctate and ovules 2 per locule.
next:1624
1623:(B)
Bark inside with tough, silky fibres. Ovary 2-locular. Leaves rather large to large. Flowers in umbels or in capitules. Anthers with 2 longitudinal slits. Ovule 1 per locule. Endosperm absent. (incl. Aquilariaceae)
Aquilariaceae
1624:(A)
previous:1623
Leaves simple, undivided. Filaments free, rarely connate, then leaves small, narrow and usually in whorls.
next:1625
1624:(B)
Leaves pinnately compound, rarely simple and undivided, then rather large and filaments nearly completely connate, leaves alternate, rarely opposite.
next:1628
1625:(A)
previous:1624
Flowers bisexual.
next:1626
1625:(B)
Flowers unisexual or polygamous. Flowers in racemes, 5-merous. Sepals free. Ovary stipitate. Ovules many per locule.
1626:(A)
previous:1625
Sepals usually connate.
next:1627
1626:(B)
Sepals free. Flowers in racemes. Corolla imbricate. Anthers with terminal pores. Ovule 1 per locule.
1627:(A)
previous:1626
Leaves not translucent-glandular-punctate. Corolla imbricate, rarely valvate, then ovules 3-more per locule. Ovary 1. Ovules 2-more per locule, rarely only 1, then flowers 4-merous. Endosperm copious.
1627:(B)
Leaves translucent-glandular-punctate. Corolla valvate. Ovaries 2-more, free at base, but not at the apex. Flowers solitary or in fascicles. Ovules 2 per ovary.
1628:(A)
previous:1624
Twigs and petioles with a pale,, wavy, sclerenchymatous ring around resinous ducts in transverse section. Filaments free. Ovules 2 per locule.
1628:(B)
Twigs and petioles without such a ring and ducts. Filaments nearly completely connate, rarely free, then ovules many per locule. Anthers with 2 longitudinal slits.
1629:(A)
previous:1613
Ovary 1-locular. Ovules numerous. Placenta parietal or basal-parietal.
next:1630
1629:(B)
Ovary 1, 2 - more locular, or ovaries 2 - 5. Ovules either few or axillary.
next:1631
1630:(A)
previous:1629
Leaves opposite. Sepals connate, valvate. Stamens 6. Ovules parietal. Endosperm present.
1630:(B)
Leaves alternate. Sepals free, imbricate. Stamens 8- 10. Ovules basal-parietal. Endosperm absent. (Tamariceae)
1631:(A)
previous:1629
Ovary 1, undivided or lobed. Endosperm present.
next:1632
1631:(B)
Ovaries 2-5, free, or connate at base only. Endosperm absent. Woody plants. Leaves compound. Flowers in racemes or in panicles. Stamens 10. Ovules 2 per ovary, collateral.
1632:(A)
previous:1631
Leaves simple. Sepals connate.
next:1633
1632:(B)
Leaves compound, rarely unifoliolate. Usually herbs. Stamens 10, connate at base. Styles 5. (incl. Averrhoaceae)
Averrhoaceae
1633:(A)
previous:1632
Stipules present. Flowers in panicles. Disk present. Flowers unisexual. Ovule 1 per locule.
1633:(B)
Stipules absent. Flowers in fascicles, or in panicles, or solitary. Disk absent. Woody plants. Leaves simple. Ovules 1 or 2 per locule,.
1634:(A)
previous:1612
Style 1 per flower, simple, stigma 1, or 2-more, then adjacent at base. Ovary 1.
next:1635
1634:(B)
Styles 2 -more per flower, free, or connate at base but not up to the stigmas, or ovaries free, 3-more.
next:1646
1635:(A)
previous:1634
Ovary 1-locular.
next:1636
1635:(B)
Ovary at least in the older flowers 2 - 12-locular. Woody plants. Leaves simple, undivided.
next:1641
1636:(A)
previous:1635
Ovule or seed 1. Filaments in bundles.
next:1637
1636:(B)
Ovules 2 -more.
next:1638
1637:(A)
previous:1636
Calyx indistinct, at best consisting of tubercles. Anthers inserted on a usually glandular hypanthium. Corolla (in fact the single perianth) Well developed. (Pisonia)
1637:(B)
Calyx larger than the corolla, accrescent in fruit. Anthers apparently basally attached. (Pentaplaris, ? misplaced in:)
1638:(A)
previous:1636
Leaves simple, undivided.
next:1639
1638:(B)
Leaves pinnately compound or reduced to a broadened petiole. Stipules usually present. Corolla valvate. Stigma 1. Ovules parietal. Endosperm scanty or absent.
1639:(A)
previous:1638
Sepals 3. Stigma 1.
next:1640
1639:(B)
Sepals 5. Stigmas 3 or 4. Anthers with longitudinal slits. Ovules many. Placentas several, initially parietal, later apparently axillary. Subtropical N. America.
1640:(A)
previous:1639
Filaments connate. Anthers with 1 slit. Stigma small. Ovules 6- 8. Placentas several, parietal. Madagascar. (Cinnamosma)
1640:(B)
Filaments free. Anthers with 2 longitudinal slits. Stigma broad. Ovules many, irregularity placed on the wall.
1641:(A)
previous:1635
Petals connate at base only. Petals imbricate or scale-like.
next:1642
1641:(B)
Petals completely connate. Ovary 3-12-locular, initially incompletely so.
next:1644
1642:(A)
previous:1641
Stipules present. Sepals 5. Ovary 3-locular. Ovules 2 per locule.
1642:(B)
Stipules absent.
next:1643
1643:(A)
previous:1642
Ovary (8-)10-12-locular. Ovules solitary, pendulous. Petals scalelike. Stamens free or connate in bundles. New Caledonia, Queensland, ?New Hebrides. (Aquilariaceae: Lethodon)
Aquilariaceae
1643:(B)
Ovary either 5-locular with 2 ovules per locule, or 2-5-locular with many ovules per locule.
1644:(A)
previous:1641
All flowers fertile, bracts not both coloured and saccate. Sepals connate, at least in bud.
next:1645
1644:(B)
Sterile flowers with coloured, saccate bracts. Sepals 4, free. Stipules absent. Anthers with longitudinal slits. Tropical America.
1645:(A)
previous:1644
Stipules absent. Calyx persistent. Corolla-lobes entire. Anthers with terminal pores. Tropical Africa.
1645:(B)
Stipules present. Sepal-lobes connate in bud, ultimately becoming free and deciduous. Corolla-lobes fimbriate. Anthers with lateral slits. New Guinea, New Caledonia. (Antholoma)
1646:(A)
previous:1634
Leaves simple.
next:1647
1646:(B)
Leaves pinnately compound. Stipules present. Corolla-lobes 4 or 5, valvate. Ovules many per carpel.
1647:(A)
previous:1646
Stipules absent.
next:1648
1647:(B)
Stipules present. Flowers unisexual. Corolla-lobes 5 or 6. Disk present. Ovary 2-4-locular. Ovule 1 per locule.
1648:(A)
previous:1647
Ovary 1, undivided or lobed.
next:1650
1648:(B)
Ovaries 3 or more, free. Leaves simple. Stipules absent.
next:1649
1649:(A)
previous:1648
Sepals 2 or 3. Corolla-lobes 3-6.
1649:(B)
Calyx and corolla both calyptrate, irregularity dehiscent at the base. Vegetative parts covered with peltate scales. E. Malesia, N. Australia, W. Pacific.
1650:(A)
previous:1648
Ovary 2-16-locular.
next:1652
1650:(B)
Ovary 1-locular. Ovules many. Placentas initially parietal, later apparently axillary.
next:1651
1651:(A)
previous:1650
Leaves alternate or in fascicles. Sepals 5, free. Stamens 10- 15. Flowers in racemes or in panicles. Disk present. Endosperm scanty. Subtropical N. America.
1651:(B)
Leaves opposite. Calyx tubular, 5- or 6-dentate. Stamens 20-more. Inflorescence cymose. Halophilous plants.
1652:(A)
previous:1650
Ovules either 2 per locule or many.
next:1653
1652:(B)
Ovules 1 or 2 per locule. Flowers solitary, or in fascicles, or in cymes. Sepals connate. Disk absent. Ovules pendulous. Endosperm copious.
1653:(A)
previous:1652
Corolla imbricate.
1653:(B)
Corolla contort. (Bonnetiaceae)
Bonnetiaceae