1654:(A)
previous:M
previous:1574
Fertile stamens less than the corolla-lobes.
next:1655
1654:(B)
Fertile stamens as many as the corolla-lobes or more.
next:1680
1655:(A)
previous:N
previous:1654
Stamens 2-more.
next:1656
1655:(B)
Stamen 1.
next:1658
1656:(A)
previous:1655
Stamens 5 - 16. Corolla-lobes 10 or 15 - 24.
next:1657
1656:(B)
Stamens 2 - 4. Corolla-lobes 3 - 12.
next:1660
1657:(A)
previous:1656
Corolla-lobes 10. Stamens 5. Ovary 1-locular. Ovules many. Tropical America, West Indies.
1657:(B)
Corolla-lobes 15-24. Stamens 5-16. Ovary 5-12-locular. Ovule 1 per locule.
1658:(A)
previous:1655
Leaves opposite. Corolla-lobes 4. Ovules many.
next:1659
1658:(B)
Leaves alternate. Corolla-lobes 5. Ovule 1 per locule. Ovary 2-4-locular, lobed.
1659:(A)
previous:1658
Herbs. Corolla imbricate. Ovary 1-locular.
1659:(B)
Lianas. Corolla valvate. Ovary 2-locular. Tropical W.Africa. (Antoniaceae: Usteria)
Antoniaceae
1660:(A)
previous:1656
Fertile stamens 2 (rarely 3), alternating with the locules of the ovary.
next:1661
1660:(B)
Fertile stamens 2 (rarely up to 4), not distinctly alternating with the locules of the ovary. Disk usually present.
next:1662
1661:(A)
previous:1660
Leaves usually opposite. Disk absent. Anthers with 2 longitudinal slits. Trees, shrubs, or undershrubs. Ovary 2- (rarely 3-) locular.
1661:(B)
Leaves alternate. Disk present. Anthers with 1 longitudinal slit. Undershrubs. Disk 4-partite.
1662:(A)
previous:1660
Leaves opposite or in whorls.
next:1663
1662:(B)
Leaves alternate.
next:1672
1663:(A)
previous:1662
Ovule 1 per complete or incomplete locule.
next:1664
1663:(B)
Ovules 2-more per locule.
next:1666
1664:(A)
previous:1663
Plants usually woody. Ovary completely or incompletely 2-, or 4-, rarely 8-locular. Fruit usually a drupe.
next:1665
1664:(B)
Plants usually herbaceous, occasionally undershrubs. Ovary 4-locular. Fruit usually dehiscing into 4 drupelets.
1665:(A)
previous:1664
Endosperm present. Ericoid undershrubs. Leaves narrow, in whorls. Spikes racemose. Ovules basal, apotropous. S. Africa. (Stilbaceae)
Stilbaceae
1665:(B)
Endosperm absent, if present flowers solitary or in cymose inflorescences and ovule either axillary and campylotropous, or apical and atropous.
1666:(A)
previous:1663
Ovary 2-, rarely 1-locular.
next:1667
1666:(B)
Ovary 5-locular. Leaves translucent-glandular-punctate. Ovules 2 per locule.
1667:(A)
previous:1666
Seeds on enlarged, indurated, more or less hook-shaped funicles (retinacula), rarely without these, then either sepals connate at base only, or ovules (and seeds) 1 or 2 per locule. Leaves simple. Fruit a loculicid capsule, placentas persisting on the valves, rarely a 1- or 2-seeded drupe.
next:1668
1667:(B)
Seeds without retinacula.
next:1670
1668:(A)
previous:1667
Fruit a 2-many-seeded capsule. Ovary 2-locular.
next:1669
1668:(B)
Fruit a 1- or 2-seeded drupe. Ovary l-, rarely 2-locular. (Mendonciaceae)
Mendonciaceae
1669:(A)
previous:1668
Retinacula well developed. Ovules 1 -many per locule.
1669:(B)
Retinacula absent or papillate. Ovules 2 per locule. (Thunbergiaceae)
Thunbergiaceae
1670:(A)
previous:1667
Leaves simple, in aquatic herbs the submerged ones dissected.
next:1671
1670:(B)
Leaves usually compound. Sepals nearly completely connate, if only at base then leaves compound. Stigmas 2. Fruit a septifragous or loculicide capsule, placentas persisting on the enlarged sept. Seeds 2-many per locule, usually winged. Endosperm absent.
1671:(A)
previous:1670
Stamens 4. Fruit a capsule. Endosperm present. (Bacopa, Freylinia)
1671:(B)
Stamens 2. Fruit a berry, usually white. Endosperm absent. Malesia to Polynesia. (Cyrtandra)
1672:(A)
previous:1662
Ovary 1-locular. Ovules 3-7. Stamens 3.
next:1673
1672:(B)
Ovary 2 - 10-locular, rarely 1-locular, then ovule 1.
next:1674
1673:(A)
previous:1672
Trees, shrubs, or undershrubs. Calyx cupuliform, 3 - 6-dentate. Ovules 3.
1673:(B)
Cushion-forming perennials. Sepals 2, free. Ovules 4-7. New Zealand. (Hectorella)
1674:(A)
previous:1672
Ovary 2 - 10-locular. Ovules 1 or 2 per locule.
next:1675
1674:(B)
Ovary 2-locular, ovules many per locule, rarely 1-locular and ovule 1.
next:1678
1675:(A)
previous:1674
Corolla-lobes 4. Herbs, sometimes woody at base. Flowers in spikes or in capitules, rarely solitary. Stamens 2. Ovary 2-4-locular. Fruit a capsule with a lid.
1675:(B)
Corolla-lobes 5.
next:1676
1676:(A)
previous:1675
Stem woody. Ovules pendulous. Leaves often translucent-glandular-punctate.
next:1677
1676:(B)
Herbs. Ovules ascending. Leaves not translucent-glandular-punctate. Ovary 2-4-locular, lobed. Ovule 1 per locule. Fruit a schizocarp or a capsule.
1677:(A)
previous:1676
Fertile stamens 4. Fruit a drupe or a nut. Leaves undivided, often translucent-glandular-punctate. Anthers confluent at the apex. Disk obscure to absent.
1677:(B)
Fertile stamens 2 or 3. Fruit a loculicide and septicide capsule. Leaves translucent-glandular-punctate. Ovary 5-locular. Ovules per locule.
1678:(A)
previous:1674
Corolla valvate or plicate, then sometimes imbricate. Sept of the ovary usually oblique to the plane of symmetry of the flower. Leaves alternate, sometimes paired, but not opposite. Flowers solitary or in cymes. Fruit a septicid capsule, rarely a berry. Endosperm present.
1678:(B)
Corolla imbricate, not plicate, rarely valvate or plicate, then leaves opposite. Sept of the ovary usually at a right angle to the plane of symmetry of the flower.
next:1679
1679:(A)
previous:1678
Seeds few, peltate, minutely pubescent. Prostrate herbs. Leaves alternate, pinnatifid. Flowers solitary. Disk large, cupular. Capsule stipitate. India to New Guinea. (Ellisiophyllaceae, sometimes in Hydrophyllaceae)
Ellisiophyllaceae
1679:(B)
Seeds many, not peltate, glabrous. Plants otherwise.