1572:(A)
previous:C
previous:159
Ovary superior or nearly so.
next:1573

1572:(B)
Ovary inferior or hemi-inferior.
next:2003

1573:(A)
previous:K
previous:1572
Corolla actinomorphic (especially when contort lobes somewhat unequal-sided, but equal to each other)
next:1574

1573:(B)
Corolla more or less zygomorphic. (See glossary)
next:1896

1574:(A)
previous:L
previous:1573
Stamens free from the corolla, sometimes adherent, but then bases of the filaments free.
next:1575

1574:(B)
Stamens adnate to the corolla.
next:1654

1575:(A)
previous:M
previous:1574
Herbs. Corolla-lobes and stamens many. Styles 5. Ovary 5-locular. Ovules many per locule. (Orygia)

1575:(B)
Plants otherwise.
next:1576

1576:(A)
previous:1575
Outer petals connate, inner petals smaller and free from each other. (Exospermum, Bubbia, Zygogynum)

1576:(B)
All petals connate and in one whorl.
next:1577

1577:(A)
previous:1576
Fertile stamens as many as the corolla-segments or less.
next:1578

1577:(B)
Fertile stamens more than the corolla-segments.
next:1610

1578:(A)
previous:1577
Ovary 1, 1-locular.
next:1579

1578:(B)
Ovary 1, 2-more-locular, or ovaries 2-more, free.
next:1593

1579:(A)
previous:1578
Ovule 1.
next:1580

1579:(B)
Ovules 2- more.
next:1585

1580:(A)
previous:1579
Ovule basal.
next:1581

1580:(B)
Ovule apical or parietal.
next:1584

1581:(A)
previous:1580
Stigma 1.
next:1582

1581:(B)
Stigmas 5. Flowers bisexual, 5-merous. Disk absent. Stamens epipetalous. (Plumbagineae)

1582:(A)
previous:1581
Filaments free.
next:1583

1582:(B)
Filaments connate at base. Leaves opposite. Fruit dry, indehiscent.

1583:(A)
previous:1582
Leaves alternate. Flowers bisexual or polygamous, 5-merous. Disk present. Stamens alternipetalous. Fruit a drupe. Plants resiniferous (often poisonous!)

1583:(B)
Leaves radical. Flowers unisexual, 4-merous. Herbs, nonresiniferous. Disk absent. (Littorella)

1584:(A)
previous:1580
Leaves in whorls. Flowers bisexual. Anthers with longitudinal slits or apical pores. Disk more or less distinct. Fruit a capsule or a nut. Embryo straight. Flowers 4-merous. Stigma 1.

1584:(B)
Leaves alternate. Flowers unisexual. Anthers with transverse slits. Disk absent. Fruit a drupe. Embryo curved.

1585:(A)
previous:1579
Ovules either 2-more on 1 parietal placenta or 4-more on a central or basal placenta.
next:1586

1585:(B)
Ovules many on 2-5 parietal placentas.
next:1588

1586:(A)
previous:1585
Placenta central or basal. Woody plants. Leaves undivided.
next:1587

1586:(B)
Placenta parietal.
next:1591

1587:(A)
previous:1586
Leaves opposite. Flowers 5-merous, in fascicles or in cymes. Anthers introrse. Style 1. Stigmas 2-4. Ovules 4, central.

1587:(B)
Leaves alternate. Flowers 4- or 5-merous, in racemes. Anthers extrorse. Styles 2 - 5, free or connate at base. ( Tamariceae)

1588:(A)
previous:1585
Leaves alternate.
next:1589

1588:(B)
Leaves opposite. Herbs or undershrubs. Petals often connate in the middle. Flowers polygamous. Stigmas 3 or 4.

1589:(A)
previous:1588
Stipules absent.
next:1590

1589:(B)
Stipules present. Flowers bisexual or polygamous, 5-merous. Filaments connate.

1590:(A)
previous:1589
Trees or shrubs, often climbing. Leaves leathery, undivided. Flowers bisexual or polygamous. Stigma 1.

1590:(B)
Herbaceous liana. Leaves membranous, lobed. Flowers monoecious. Stigmas 3 - 1 0, as many as the placentas. S. Africa. (Ceratiosicyos)

1591:(A)
previous:1586
Leaves compound or reduced to a broadened petiole.
next:1592

1591:(B)
Leaves simple, undivided or lobed. Stem woody. Stipules absent. Flowers usually unisexual. Sepals connate. Ovules 2, pendulous. Fruit a drupe, or dry and indehiscent.

1592:(A)
previous:1591
Stipules usually present. Corolla-lobes valvate. Ovules ascending, anatropous. Stigma 1.

1592:(B)
Stipules absent. Corolla-lobes imbricate. Ovules 2, ascending, atropous. Stem woody.

1593:(A)
previous:1578
Ovary 1.
next:1594

1593:(B)
Ovaries and styles 2-more, free.
next:1599

1594:(A)
previous:1593
Style 1. Stigmas 1 or 2 - 5, adjacent at base.
next:1595

1594:(B)
Styles 3-8, free or connate at base but not up to the free stigmas.
next:1596

1595:(A)
previous:1594
Leaves simple, undivided or lobed. Filaments free or connate at base only.
next:1600

1595:(B)
Leaves usually pinnately compound. Filaments nearly completely connate.

1596:(A)
previous:1594
Stem woody.
next:1597

1596:(B)
Stem herbaceous, if woody leaves simple and staminodes absent. Flowers bisexual. (Linum)

1597:(A)
previous:1596
Flowers unisexual or polygamous. Leaves simple.
next:1598

1597:(B)
Leaves pinnately compound or unifoliolate. Flowers bisexual. Fertile stamens alternating with alternipetalous staminodes. (Averrhoaceae)
Averrhoaceae
1598:(A)
previous:1597
Flowers unisexual or polygamous. Stamens alternipetalous.

1598:(B)
Flowers unisexual. Stamens epipetalous.

1599:(A)
previous:1593
Leaves alternate, compound. Stem woody. Flowers 5-merous. Disk absent. Ovules 2, collateral, atropous.

1599:(B)
Leaves opposite, undivided. Ovules usually many.

1600:(A)
previous:1595
Stigmas 2-5.
next:1601

1600:(B)
Stigma 1, undivided or lobed.
next:1603

1601:(A)
previous:1600
Ovules 2-more per locule.
next:1602

1601:(B)
Ovule 1 per locule. Flowers 5-merous. Herbs. Petals usually free at base, connate above. Disk present. Malesia to New Zealand.

1602:(A)
previous:1601
Woody plants. Leaves opposite. Corolla imbricate. Ovules 2 per locule.

1602:(B)
Herbs. Leaves alternate, rarely opposite. Corolla valvate. Ovules many per locule.

1603:(A)
previous:1600
Disk present, rarely indistinct.
next:1604

1603:(B)
Disk absent. Flowers 5-merous. Anthers with 2 longitudinal slits or with terminal pores. Ovary 2(-5)- locular.
next:1606

1604:(A)
previous:1603
Anthers with 1 or 2 terminal pores or 2 longitudinal slits.
next:1605

1604:(B)
Anthers with 1 longitudinal slit. Stem woody. Leaves alternate. Flowers 5-merous. Sepals free. Anthers inappendiculate. Ovules numerous.

1605:(A)
previous:1604
Corolla imbricate.
next:1609

1605:(B)
Corolla valvate. Climbing shrubs. Leaves opposite or in whorls. Calyx valvate. Anthers extrorse. Ovary 5-7-locular. Fruit a berry. Mauritius. (Roussea, also in Brexiaceae or Escalloniaceae)
Brexiaceae Escalloniaceae
1606:(A)
previous:1603
Bark inside without tough, silky fibres. Ovules 2-many per locule.
next:1607

1606:(B)
Bark inside with tough, silky fibres. Ovule 1 per locule. Woody plants. Flowers in umbels. Corolla annular. (incl. Aquilariaceae: Gyrinops, Octolepis, the latter sometimes in Flacourtiaceae)
Aquilariaceae
1607:(A)
previous:1606
Woody, autotrophous plants. Petals imbricate.
next:1608

1607:(B)
Insectivorous herbs. Leaves circinnate when young, glandular. Petals contort. Ovules many per locule. Australia.

1608:(A)
previous:1607
Ovules 2 per locule, collateral. Endosperm scanty. Sumatra to S. China.

1608:(B)
Ovules many per locule. Endosperm copious.

1609:(A)
previous:1605
Anthers usually with terminal pores, rarely with longitudinal slits, then flowers usually 4-merous, if 5-merous leaves opposite. Anthers often appendiculate.

1609:(B)
Anthers with 2 longitudinal slits. Leaves alternate. Flowers 5-merous. Anthers inappendiculate. Tasmania, Fuegia, Patagonia. (Prionotaceae)