362:(A) (orig. 363 )
previous:337
Ovules 2 per locule.
next:363

362:(B)
Ovules 3-more per locule.
next:392

363:(A) (orig. 364 )
previous:362
Ovules erect, or ascending, or patent, or one ascending and one descending.
next:364

363:(B)
Ovules pendulous or descending.
next:374

364:(A) (orig. 365 )
previous:363
Flowers bisexual.
next:365

364:(B)
Flowers unisexual or polygamous.
next:371

365:(A) (orig. 366 )
previous:364
Leaves usually opposite. Stamens perigynous.
next:366

365:(B)
Leaves usually alternate, rarely pseudo-verticillate then shrubs with 5 fertile stamens opening with pores. Stamens hypogynous.
next:367

366:(A) (orig. 367 )
previous:365
Herbs, at most woody at base. Stamens 5 -many. Endosperm present.

366:(B)
Ericoid shrubs. Stamens 4. Endosperm absent. Flowers 4-merous, solitary or in spikes. (Penaeae)

367:(A) (orig. 368 )
previous:365
Stamens 8- more.
next:368

367:(B)
Stamens 5. Flowers 5-merous, in cymes. Endosperm present. (Lasiopetaleae)

368:(A) (orig. 369 )
previous:367
Leaves without translucent glandular dots. Stipules present. Perianth-segments valvate. Stamens 10-more.
next:369

368:(B)
Leaves with translucent glandular dots. Stipules absent. Perianth segments imbricate. Stamens 8 - 10. (Asterolasia)

369:(A) (orig. 370 )
previous:368
Filaments free.
next:370

369:(B)
Filaments connate. S. India, Ceylon. (Cullenia)

370:(A) (orig. 371 )
previous:369
Leaves alternate or distichous. Anthers with longitudinal slits. Fruit not winged. (Grewia)

370:(B)
Leaves opposite. Anthers with apical slits. Fruit with 3 wings. Burma, Thailand. (also in Tiliaceae, Flacourtiaceae)

371:(A) (orig. 372 )
previous:364
Leaves alternate.
next:372

371:(B)
Leaves opposite. Stigmas 2.

372:(A) (orig. 373 )
previous:371
True perianth present. Disk present. Leaves usually compound.
next:373

372:(B)
True perianth absent: male flowers (in catkins) with 1(-3) bracts, female flowers (solitary) involucrate. Disk absent. Leaves simple. Stamens (2-)5-6(-12), subsessile. Ovary incompletely 2- or 3-locular. Stigmas deeply bifid. Fruit an acorn-like drupe. Australia. New Caledonia, Fiji.

373:(A) (orig. 374 )
previous:372
Male flowers with a large, intra-staminal disk, lobed, between the lobes with 5 stamens and 5 staminodes. Female flowers with a 2- or 3-locular ovary, only 1 locule fertile. (Alvaradoa)

373:(B)
Disk extra-staminal, small to well-developed. Female flowers with all the locules fertile.

374:(A) (orig. 375 )
previous:363
Ovules anatropous or campylotropous with a ventral raphe, or hemitropous.
next:375

374:(B)
Ovules anatropous with a dorsal raphe, rarely atropous.
next:388

375:(A) (orig. 376 )
previous:374
Flowers bisexual.
next:376

375:(B)
Flowers unisexual or polygamous.
next:380

376:(A) (orig. 377 )
previous:375
Leaves alternate. Herbs or undershrubs, if trees stipules present (sometimes early fugacious!)
next:377

376:(B)
Leaves opposite. Stipules absent.
next:379

377:(A) (orig. 378 )
previous:376
Herbs or undershrubs. Flowers not fascicled. Tepals free. Style developed. Fruit a silique, or dry and indehiscent, or a schizocarp.
next:378

377:(B)
Trees. Flowers in fascicles. Perianth 3- or 4-(-6)-lobed or -partite. Fruit a drupe or a 3-valved capsule. Stipules minute. Stamens 4. Stigmas 2 or 3. Endosperm present. Embryo straight. (Aporosa, Drypetes)

378:(A) (orig. 379 )
previous:377
Stipules absent. Flowers in racemes. Perianth-segments 4, imbricate. Stamens 2-6. Stigmas 1 or 2. Embryo curved. Endosperm scanty to absent.

378:(B)
Stipules present. Flowers in cymes or panicles. Perianth-segments 5, valvate. Stamens 10-more. Stigmas 2-5. Endosperm present. ( Triumfetta)

379:(A) (orig. 380 )
previous:376

Vivianiaceae Biebersteiniaceae
379:(B)
Woody plants. Flowers in racemes or panicles. Perianth-segments 4, valvate. Stamens 2 or 3.

380:(A) (orig. 381 )
previous:375
Ovary 2-locular or nearly so. Shrubs or trees. Style 1 and stigmas 1 or 2, or stigmas 2, sessile.
next:381

380:(B)
Ovary 3-more-locular, rarely 2-locular, then either styles 2, free, or connate at base only, or stigma 1, sessile.
next:385

381:(A) (orig. 382 )
previous:380
Leaves paripinnate or trifoliolate.
next:382

381:(B)
Leaves simple.
next:383

382:(A) (orig. 383 )
previous:381
Leaves paripinnate. Stipules absent. Stamens 5-7. Tropical Africa, Asia and Australia. (Ganophyllum)

382:(B)
Leaves digitately trifoliolate. Stipules present, minute. Stamens numerous. West Indies.

383:(A) (orig. 384 )
previous:381
Stipules absent.
next:384

383:(B)
Stipules present. Leaves alternate. Flowers in cymose panicles. Stamens 10 - 18. Style and stigma 1. ( Heliocarpus)

384:(A) (orig. 385 )
previous:383
Leaves opposite. Flowers in racemes or in panicles. Stamens (1 -) 2 (- 5) Ovary completely 2-locular. Style 1. Stigmas 1 or 2.

384:(B)
Leaves alternate. Flowers in racemes. Stamens 6-12(-18?) Ovary incompletely 2-locular. Stigmas 2, sessile, recurved. Embryo minute, apical, 4-6 times smaller than the copious endosperm. S.E. Asia.

385:(A) (orig. 386 )
previous:380
Leaves simple.
next:386

385:(B)
Leaves 3-7-foliolate. (
Bishofiaceae
386:(A) (orig. 387 )
previous:385
Male flowers in axillary triads of catkins. Female flowers axillary, solitary. Leaves opposite. Stipules leathery, intrapetiolar. Disk absent. Stamens many. Ovary 3-locular. S.E. tropical Africa, Madagascar. (Androstachydaceae)
Androstachydaceae
386:(B)
Inflorescence and plants different.
next:387

387:(A) (orig. 388 )
previous:386
Leaves alternate. Flowers in axillary catkin-like spikes or racemes. Tepals of male flowers imbricate. Disk absent in all flowers. Ovary 2-locular. Fruit a winged capsule. Endosperm scanty. Embryo large. Tropical Africa, S.E. Asia. (Hymenocardiaceae)
Hymenocardiaceae
387:(B)
Plants different again. (incl. Uapacaceae)
Uapacaceae
388:(A) (orig. 389 )
previous:374
Leaves alternate, simple. Flowers solitary or in fascicles. Stipules present, often early caducous. Stamens 10-20. Styles 2-8. Endosperm present. Embryo straight. (Doryalis)

388:(B)
Leaves opposite or alternate, but then flowers in spikes or in capitules.
next:389

389:(A) (orig. 390 )
previous:388
Stipules absent. Inflorescences variously compound. Flowers unisexual or polygamous.
next:390

389:(B)
Stipules present. Flowers solitary, bisexual. Perianth-segments 4 Stamens 8, perigynous. Styles 4.

390:(A) (orig. 391 )
previous:389
Fruit winged. Endosperm absent. Embryo curved.

390:(B)
Fruit not winged, sometimes horned. Endosperm present. Embryo straight. Flowers in spikes or in capitules.
next:391

391:(A) (orig. 392 )
previous:390
Leaves alternate or opposite. Stamens 4-6.

391:(B)
Leaves opposite. Stamens many. Locules of the ovary divided by secondary longitudinal septs. Colombia to Bolivia.