508:(A) (orig. 509 )
previous:459
Ovule 1 per locule.
next:509
508:(B)
Ovules 2-more per locule.
next:533
509:(A) (orig. 510 )
previous:508
Ovule basal, subbasal, or median.
next:510
509:(B)
Ovule apical or subapical.
next:514
510:(A) (orig. 511 )
previous:509
Stigmas without a cupular involucre.
next:511
510:(B)
Stigmas with a cupular involucre. Stipules absent. Perianth corolloid. Stamens 5. Style 1. Stigmas 1 or 2. Fruit a drupe (Scaevola), or dry, indehiscent (Dampiera)
511:(A) (orig. 512 )
previous:510
Shrubs or trees. Perianth calycoid.
next:512
511:(B)
Herbs or undershrubs. Perianth corolloid. Fruit dry, indehiscent.
next:513
512:(A) (orig. 513 )
previous:511
Stamens 4 or 5. Disk intra-staminal. Ovary 2- or 3-locular. Style 1.
512:(B)
Stamens 2-many. Disk extra-staminal, annular to flask-shaped. Ovary 4-many-locular. Styles 4-many. (Siparunaceae)
Siparunaceae
513:(A) (orig. 514 )
previous:511
Leaves alternate. Stipules absent. Stamens numerous. Tepals free. Twining herbs. Style 1. Stigmas (3 or) 4. (Agdestiaceae)
Agdestiaceae
513:(B)
Leaves opposite or in whorls. Stipules present, sometimes leaf-like (check axillary buds!) Tepals connate. Stamens 4 or 5.
514:(A) (orig. 515 )
previous:509
Style 1, stigma 1, or 2- more, then adjacent at base.
next:515
514:(B)
Styles 2-more, free, or connate at base with free stigmas, or style absent and stigmas several, sessile, free.
next:520
515:(A) (orig. 516 )
previous:514
Leaves alternate.
next:516
515:(B)
Leaves opposite or radical.
next:519
516:(A) (orig. 517 )
previous:515
Stamens 4-7, as many as the tepals, not forming a corona or pseudo-corolla.
next:517
516:(B)
Stamens numerous, the outermost staminodial, forming a coloured, many-nerved and -dentate, plicate corona or pseudo-corolia. Flowers solitary or in fascicles, bisexual. Tepals 5. Stigma 5-20 lobed. (Napoleonaeaceae)
Napoleonaeaceae
517:(A) (orig. 518 )
previous:516
Stamens epitepalous. Flowers in racemes.
next:518
517:(B)
Stamens alternitepalous. Flowers bisexual or polygamous, in capitules, or in umbels, or in racemes. Tepals and stamens 4-7. Stigmas 3 - more.
518:(A) (orig. 519 )
previous:517
Flowers unisexual. Stigma 3-5-lobed, lobes bifid. (Octoknemataceae)
518:(B)
Flowers bisexual. Stigma shortly 3-lobed, lobes entire. (Schoepfia)
519:(A) (orig. 520 )
previous:515
Perianth 3- or 4-lobed. Anthers with longitudinal slits. Ovary with 1 fertile and 2 empty locules. Fruit dry, indehiscent. Endosperm absent.
519:(B)
Perianth-segments 7 - 10. Anthers with valves. Ovary with 2 or 3 fertile locules. Fruit a drupe. Endosperm copious. Trees. Chile.
520:(A) (orig. 521 )
previous:514
All flowers with a perianth. Endosperm present.
next:522
520:(B)
Flowers unisexual, the male without a perianth. Endosperm absent. Shrubs or trees. Stipules present. Styles 2.
next:521
521:(A) (orig. 522 )
previous:520
Female flowers in catkins, each flower with a large membranous involucre. Male flowers without bracteoles. (Carpinaceae)
Carpinaceae
521:(B)
Female flowers in pairs in the axil of a bract. Male flowers with bracteoles. Anthers with a dorsal tuft of hairs. (Corylaceae)
Corylaceae
522:(A) (orig. 523 )
previous:520
Endosperm fleshy or cartilaginous. Embryo nearly always small, straight or nearly so.
next:523
522:(B)
Endosperm mealy. Embryo large, strongly curved. Climbing or prostrate, rather succulent herbs or undershrubs. ( Tetragoniaceae)
Tetragoniaceae
523:(A) (orig. 524 )
previous:522
Perianth calycoid.
next:524
523:(B)
Perianth corolloid.
next:530
524:(A) (orig. 525 )
previous:523
Carpels 2-4.
next:525
524:(B)
Carpels numerous, sunk into the receptacle.
525:(A) (orig. 526 )
previous:524
Woody plants.
next:526
525:(B)
Herbs or undershrubs, usually aquatic. Perianth 3- or 4-partite. Styles 3 or 4.
526:(A) (orig. 527 )
previous:525
Stipules present.
next:527
526:(B)
Stipules absent.
next:528
527:(A) (orig. 528 )
previous:526
Flowers in small epiphyllous fascicles from the midrib on the upper side of the leaf. Style 1, stigmas 3 or 4, recurved. Fruit a drupe. (Helwingiaceae, sometimes in Araliaceae)
Helwingiaceae
527:(B)
Flowers not epiphyllous. Styles 2. Fruit dry, indehiscent.
528:(A) (orig. 529 )
previous:526
Flowers unisexual. Styles 3, or style very short and stigmas usually 3.
next:529
528:(B)
Flowers bisexual. Style 1, stigma lobed.
529:(A) (orig. 530 )
previous:528
Ovary 2-locular. Fruit a berry. New Zealand, S. America. (Griseliniaceae)
Griseliniaceae
529:(B)
Ovary 3- or 4-locular. Fruit a drupe. Himalaya, S. China.(Toricelliaceae)
Toricelliaceae
530:(A) (orig. 531 )
previous:523
Leaves radical and 2 cauline, opposite. Stamens 8-12, twice as many as the tepals.-Herbs. Flowers in a terminal glomerules. Styles 3-5.
530:(B)
Leaves alternate. Stamens as many as the tepals, rarely numerous.
next:531
531:(A) (orig. 532 )
previous:530
Usually herbs. Flowers in umbels, rarely in capitules, or solitary. Disk 2-lobed or -partite. Styles 2. Fruit a schizocarp, or dry, indehiscent, very rarely a drupe and then flowers solitary.
531:(B)
Shrubs or trees, very rarely herbs (some Araliaceae) and then styles, as usual, 3-5. Flowers in umbels, or in capitules, or in racemes. Disk usually undivided. Fruit a drupe or a berry, very rarely a schizocarp then flowers in paniculate capitules (some Araliaceae)
next:532
532:(A) (orig. 533 )
previous:531
Flowers in epiphyllous umbels or fascicles. Leaves simple, serrulate. Himalaya, E. Asia. (Helwingiaceae, also included in Araliaceae)
Helwingiaceae
532:(B)
Flowers not epiphyllous. Leaves usually compound or divided, rarely simple then usually entire.