2003:(A)
previous:K
previous:1572
Fertile stamens less than the corolla-lobes, 1-4.
next:2004
2003:(B)
Fertile stamens as many as the corolla-lobes or more (some Lecythidaceae, e.g. Asteranthaceae, Napoleonaeaceae have a 20-40-rayed corolla (? = connate staminodes) and 10-many fertile stamens)
Napoleonaeaceae Asteranthaceae next:2017
2004:(A)
previous:2003
Ovule 1 per locule, sometimes also a few abortive ones present, or some locules empty.
next:2005
2004:(B)
Ovules 2 or more per locule.
next:2010
2005:(A)
previous:2004
Ovary 1-locular, or 3-locular with 1 fertile and 2 empty locules.
next:2006
2005:(B)
Ovary 3-locular with 1 locule with 1 fertile ovule and 2 with several abortive ones. - Shrubs. Leaves opposite or in whorls, undivided. Stipules absent. Flowers bisexual, solitary or in cymes. Corolla slightly zygomorphic, imbricate. Stamens 4. Anthers introrse. Stigma 1. Endosperm present (Linnaea)
2006:(A)
previous:2005
Leaves opposite or in whorls, or all radical. Flowers bisexual or polygamous. Corolla imbricate. Anthers introrse. - Stipules absent. Fruit dry, indescent.
next:2007
2006:(B)
Leaves alternate. Flowers unisexual. Corolla valvate. Anthers extrorse. - Ovary 1-locular.
2007:(A)
previous:2006
Flowers in capitules, rarely in axillary whorls, or in dichasia. Epicalyx present. Ovary 1-locular.
next:2008
2007:(B)
Flowers in cymes or in dichasia. Epicalyx absent. Ovary 3-locular with 1 fertile and 2 sterile locules.
2008:(A)
previous:2007
Flowers not in dichasia. Epicalyx simple.
next:2009
2008:(B)
Flowers in dichasia. Epicalyx absent. Inflorescense glandular. S.E Asia to New Guinea (Triplostegiaceae, also in Valerianaceae)
Triplostegiaceae
2009:(A)
previous:2008
Flowers in axillary whorls (Morinaceae)
Morinaceae
2009:(B)
Flowers in capitules.
2010:(A)
previous:2004
Ovules 2 per locule.
next:2011
2010:(B)
Ovules numerous.
next:2013
2011:(A)
previous:2010
Leaves opposite. Flowers bisexual. Corolla imbricate. Anthers intrors. - E.Asia.
next:2012
2011:(B)
Leaves alternate. Flowers unisexual. Corolla valvate. Anthers extrorse - Climbing or prostrate herbs or undershrubs. Stamens 2 or 3. Ovary 1-locular
2012:(A)
previous:2011
Aquatic herbs. Stamens 2. Staminodes 2. Ovary with 1 fertile and 1 sterile locule (Trapellaceae)
Trapellaceae
2012:(B)
Shrubs. Stamens 4. Ovary with 2 fertile and 2 sterile locules (Dipelta)
2013:(A) (orig. 2014 )
previous:2010
Flowers nearly always bisexual. Corolla imbricate or induplicate-valvate, zygomorphic or actinomorphic. Endosperm present. Ovary 1- or 2-locular. Stigmas 1 or 2, or 4. Ovules many per locule.
next:2014
2013:(B)
Flowers unisexual, very rarely bisexual, then stigmas 3 or 6 and ovary 3-locular with 1 or 2 ovules per locule. Endosperm absent. Plants climbing or prostrate. Tendrils present, Anthers extrorse, rarely latrorse.
2014:(A) (orig. 2015 )
previous:2013
Stamens 2 or 4, adnate to the corolla, free from the style. Anthers introrse or latrorse. Flowers bisexual.
next:2015
2014:(B)
Stamens 2, free from the corolla, adnate to the style. Anthers extrorse. Herbs or undershrubs. Leaves alternate. Anthers with 1 slit.
2015:(A) (orig. 2016 )
previous:2014
Corolla nearly actinomorphic. Stamens 2. Leaves opposite.
next:2016
2015:(B)
Corolla usually distinctly zygomorphic. Stamens 4. Disk usually present. Ovary 1-locular or incompletely 2-locular.
2016:(A) (orig. 2017 )
previous:2015
Stamens not cohering around the style. Anthers with 1 twisted theca. Disk absent. Stigma 2-4-lobed. Flowers in cymes. Ovary incompletely to nearly completely 2-locular. N. Andes.
2016:(B)
Stamens cohering around the style. Thecae not twisted. Disk present. Stigma clavate to fusiform, or bifid. Leaves dentate. Corolla valvate with a hairy ridge inside. S.E. Asia. (Carlemanniaceae)
Carlemanniaceae
2017:(A) (orig. 2018 )
previous:2003
Fertile stamens more than the corolla-segments.
next:2018
2017:(B)
Fertile stamens as many as the corolla-segments.
next:2021
2018:(A) (orig. 2019 )
previous:2017
Flowers unisexual.
next:2019
2018:(B)
Flowers bisexual.
next:2070
2019:(A) (orig. 2020 )
previous:2018
Leaves alternate.
next:2020
2019:(B)
Leaves opposite. Flowers solitary or in fascicles. Style 6 - 10-fid. Ovules many per ovary.
2020:(A) (orig. 2021 )
previous:2019
Leaves usually pinnately compound. Male flowers in catkins, female flowers in a cupule. Bracts often sepaloid. Stigmas 2-4. Ovary l-locular. Ovule 1.
2020:(B)
Leaves simple. Flowers differently arranged. Bracts not sepaloid. Stigma 1. Ovary 2- or 3-locular. Ovules 2-4 per locule.
2021:(A) (orig. 2022 )
previous:2017
Stamens alternipetalous.
next:2022
2021:(B)
Stamens epipetalous.
next:2065
2022:(A) (orig. 2023 )
previous:2021
Ovule 1 per ovary.
next:2023
2022:(B)
Ovules 2 -more per ovary.
next:2036
2023:(A) (orig. 2024 )
previous:2022
Ovule erect.
next:2024
2023:(B)
Ovule pendulous.
next:2028
2024:(A) (orig. 2025 )
previous:2023
Stigmas 3. Tendrils or watch-spring hooks present.
next:2025
2024:(B)
Stigmas 1 or 2. Corolla valvate. Anthers introrse.
next:2026
2025:(A) (orig. 2026 )
previous:2024
Herbs. Tendrils present. Flowers unisexual. Corolla valvate. Anthers extrorse. Endosperm absent.
2025:(B)
Woody plants. Watch-spring hooks present. Flowers bisexual. Corolla imbricate. Anthers introrse. Endosperm present.
2026:(A) (orig. 2027 )
previous:2024
Flowers usually in capitules. Stigma not surrounded by an involucre.
next:2027
2026:(B)
Flowers solitary, or in cymes, or in spikes, or in panicles, rarely in capitules. Stigma surrounded by a cup-shaped or 2-lobed involucre. Corolla 5-lobed, more or less zygomorphic. Endosperm present.
2027:(A) (orig. 2028 )
previous:2026
Anthers free. Style deeply divided. Endosperm present. Leaves opposite or in whorls. Stipules present.
2027:(B)
Anthers connate, rarely free, then female flowers without a distinct corolla. Style occasionally undivided, usually bifid. Endosperm absent.
2028:(A) (orig. 2029 )
previous:2023
Flowers unisexual. Leaves alternate, rarely opposite. Endosperm absent.
next:2029
2028:(B)
Flowers bisexual or polygamous. Anthers introrse.
next:2030
2029:(A) (orig. 2030 )
previous:2028
Non-resiniferous herbs. Tendrils present. Anthers extrorse. Style simple, at least at base. Embryo straight.
2029:(B)
Resiniferous (poisonous!) trees. Tendrils absent. Anthers introrse. Styles 3, free to base. Embryo curved.
2030:(A) (orig. 2031 )
previous:2028
Style 1. Stigma 1. Flowers more or less actinomorphic. Endosperm present.
next:2033
2030:(B)
Style 1 or 3. Stigmas 3.
next:2031
2031:(A) (orig. 2032 )
previous:2030
Herbs, undershrubs, or shrubs. Leaves opposite, or in whorls, or all radical. Corolla imbricate, Style 1, or 3-partite. Embryo straight.
next:2032
2031:(B)
Resiniferous (poisonous!) trees. Leaves alternate. Corolla valvate. Styles 3, free. Embryo curved. Flowers in panicles. Endosperm absent.
2032:(A) (orig. 2033 )
previous:2031
Corolla 3-lobed. Style 1. Endosperm absent. Herbs, or undershrubs, or shrubs. Leaves opposite or all radical.
2032:(B)
Corolla 4- or 5-lobed. Style 3-partite. Endosperm fleshy. Usually shrubs. Leaves opposite or in whorls, undivided or lobed. (Viburnum)
2033:(A) (orig. 2034 )
previous:2030
Leaves alternate or all radical. Epicalyx absent.
next:2034
2033:(B)
Leaves opposite or in whorls. Epicalyx present. Herbs, rarely nonericoid undershrubs. Flowers in capitules. Corolla lobed, imbricate.
2034:(A) (orig. 2035 )
previous:2033
Herbs or ericoid shrubs. Flowers in capitules. Disk absent.
next:2035
2034:(B)
Non-ericoid undershrubs or trees. Flowers in axillary cymes. Disk usually conspicuous. Corolla deeply divided, valvate. Tropics.
2035:(A) (orig. 2036 )
previous:2034
Herbs., Corolla lobed, valvate. S. America.
2035:(B)
Ericoid shrubs. Corolla deeply 5-partite, imbricate. S. Africa. (Berzelia)
2035:(C)
Stigma capitate. Stem woody. Flowers actinomorphic. Ovary inferior.
next:2055
2036:(A) (orig. 2037 )
previous:2022
Corolla imbricate.
next:2037
2036:(B)
Corolla valvate, rarely apert.
next:2047
2037:(A) (orig. 2038 )
previous:2036
Ovary 2-more-locular, rarely 1-locular, then corolla actinomorphic and stipules present.
next:2038
2037:(B)
Ovary 1-locular.-Leaves undivided. Stipules absent. Corolla usually zygomorphic. Style 1. Ovules many.
2038:(A) (orig. 2039 )
previous:2037
Ovary hemi-inferior.-Leaves simple. Stipules absent. Calyx 5partite. Corolla actinomorphic, contort. Style-apex thickened, glabrous above, outer or lower side stigmatic. Ovary 2-partite or 2-locular. Ovules 2-more per locule.
next:2039
2038:(B)
Ovary inferior, rarely hemi-inferior, then either stipules present, or corolla imbricate. Style-apex stigmatic at the summit or between the lobes.
next:2040
2039:(A) (orig. 2040 )
previous:2038
previous:2058
Stamens connate and adnate to the style-apex into a more or less capitate body. Pollen coherent into paired pollinia, each pair united by a thread-like structure ('caudicle') -Leaves above with or without a tuft of short cylindric, hair-like appendages ('colleters') at the base of the midrib. Corolla often more or less urceolate, the tube usually shorter than the lobes.
2039:(B)
Stamens free, adnate to the style apex or not. Pollen free, without caudicles.-Leaves without colleters. Corolla usually rotate, or campanulate, or funnel-, or salver-shaped, the tube usually longer than the lobes.
2040:(A) (orig. 2041 )
previous:2038
Leaves alternate.
next:2041
2040:(B)
Leaves opposite or in whorls.
next:2045
2041:(A) (orig. 2042 )
previous:2040
Flowers solitary, or in fascicles, or in spikes, or in racemes. Style undivided.
next:2042
2041:(B)
Flowers in capitules. Style 2-partite.-Ovules 2 per locule. S. Africa.
2042:(A) (orig. 2043 )
previous:2041
Anthers with longitudinal slits.
next:2043
2042:(B)
Anthers with apical pores.-Woody plants. Flowers solitary, or in fascicles, or in racemes. Ovules many per locule.
2043:(A) (orig. 2044 )
previous:2042
Woody plants.
next:2044
2043:(B)
Herbs.-Flowers in spikes. Ovules many per locule. (also in Campanulaceae)
2044:(A) (orig. 2045 )
previous:2043
Flowers solitary, or in fascicles, or in spikes, or in racemes. Ovules 2-4 per locule.
2044:(B)
Flowers solitary, axillary. Ovules numerous.-Ericoid shrubs. S. Australia. (Prionotaceae: Wittsteinia, also in Ericaceae)
2045:(A) (orig. 2046 )
previous:2040
Stipules present. Disk present, rarely absent, then ovary 2-locular.Leaves always undivided and entire.
next:2046
2045:(B)
Stipules absent, rarely present, then ovary 3-5-locular and either disk absent or leaves dentate to divided.-Woody plants, rarely herbaceous. Ovary 2 - 6-locular. Endosperm copious.
2046:(A) (orig. 2047 )
previous:2045
Flowers more or less zygomorphic. Stamens unequally inserted on the corolla-tube. Ovary hemi-inferior. Ovules 2-4 per locule. Endosperm absent.-Flowers large, showy, in terminal thyrses. Fruit a loculicid capsule. Seeds not winged. N. tropical. S. America. (probably erroneously included in Rubiaceae)
2046:(B)
Flowers usually actinomorphic. Stamens inserted at the same level. Ovary inferior. Ovules usually numerous per locule. Endosperm present. (incl. Naucleaceae)
Naucleaceae
2047:(A) (orig. 2048 )
previous:2036
Flowers unisexual. Endosperm absent.-Leaves alternate.
next:2048
2047:(B)
Flowers bisexual or polygamous, rarely unisexual, then either leaves opposite or in whorls, or flowers zygomorphic and anthers introrsely or apically dehiscent. Endosperm present, rarely absent, then leaves opposite or in whorls.
next:2049
2048:(A) (orig. 2049 )
previous:2047
Stipules absent. Flowers actinomorphic, rarely slightly zygomorphic, 5-, rarely 3- or 6-merous. Anthers extrorse, thecae usually tortuous.-Plants usually climbing or prostrate, usually with tendrils.
2048:(B)
Stipules present. Flowers zygomorphic, 4-merous. Anthers latrorse.-Leaves undivided. Corolla shortly lobed. Style 3-partite, stigmas partite again. Colombia. (Begoniella)
2049:(A) (orig. 2050 )
previous:2047
Stigma without an involucre, but often surrounded by a ring of hairs.
next:2050
2049:(B)
Stigma with a cup-shaped or 2-lobed involucre.-Latex absent. Leaves simple. Stipules absent. Flowers 5-merous, bisexual, usually zygomorphic.
2050:(A) (orig. 2051 )
previous:2049
Stipules absent.-Leaves simple. Style undivided. Ovules 2-more per locule.
next:2051
2050:(B)
Stipules present, rarely absent, then either style 2-partite or ovule 1 per locule.
next:2061
2051:(A) (orig. 2052 )
previous:2050
Ovary inferior, rarely hemi-inferior, then either flowers zygomorphic, or stamens free from the corolla and ovary 2-morelocular.
next:2052
2051:(B)
Ovary hemi-inferior.-Ovary 1-locular, or 2-5-locular, then either flowers actinomorphic and stamens free, or stamens adnate to the corolla. Ovules many per locule. Fruit a capsule, rarely a berry.
next:2058
2052:(A) (orig. 2053 )
previous:2051
Stigma, at least after anthesis, partite, or when lobed, stem herbaceous or woody at base only, rarely undivided and more or less clavate, then either stem herbaceous and flowers zygomorphic, or flowers zygomorphic .-Latex usually present. Ovary rarely hemi-inferior, then flowers zygomorphic and stamens free from the corolla.
next:2053
2052:(B)
Stigma capitate. Stem woody. Flowers actinomorphic. Ovary inferior.
next:2055
2053:(A) (orig. 2054 )
previous:2052
Leaves usually symmetric. Inflorescences various, usually capitate, or panicles, or flowers solitary.
next:2054
2053:(B)
Leaves strongly asymmetric. Flowers in curved cincinni. S.E. Asia to Malesia. (also in Campanulaceae)
2054:(A) (orig. 2055 )
previous:2053
Flowers zygomorphic. Anthers connate. (Lobeliaceae)
2054:(B)
Flowers usually actinomorphic. Anthers free.
2055:(A) (orig. 2056 )
previous:2035
previous:2052
Corolla-segments either dentate to fimbriate, or tube inside with a transverse ring. New Caledonia, New Zealand.
2055:(B)
Corolla different.
next:2056
2056:(A) (orig. 2057 )
previous:2055
Flowers in a terminal panicle. Stamens free from the corolla. Fruit a capsule. Reunion. (Berenice)
2056:(B)
Flowers axillary, usually solitary. Stamens adnate to the base of the corolla. Fruit a berry.
next:2057
2057:(A) (orig. 2058 )
previous:2056
Anthers with longitudinal slits. S. Australia. (Prionotaceae: Wittsteinia, also in Ericaceae)
2057:(B)
Anthers with apical pores. Mexico to tropical S. America. (Sphyrospermum)
2058:(A) (orig. 2059 )
previous:2051
Plants not twining. Latex absent. Leaves radical or alternate. Apex of stigma stigmatic. Anthers not caudate and not adnate to the stigma.
next:2059
2058:(B)
Plants usually twining. Latex present. Leaves opposite. Stigma enlarged. Plants woody, at least at base. Flowers in cymes or in panicles, actinomorphic. Ovary 2-locular, easily separating into 2 parts
next:2039
2059:(A) (orig. 2060 )
previous:2058
Woody plants. Sepals valvate. Stamens free from the corolla. Ovary 2-5-locular. Leaves alternate. Flowers in panicles or in umbelloid panicles. Corolla partite. Stigma capitate, 2-5-lobed. Australia, New Caledonia.
next:2060
2059:(B)
Erect herbs. Sepals imbricate. Stamens adnate to the corolla-tube. Ovary 1-locular. Leaves radical or alternate. Flowers in cymes or in panicles. Stigma simple or 2-lobed.
2060:(A) (orig. 2061 )
previous:2059
Leaves glabrous beneath. Corolla lobed, with a transverse ring in the throat. Fruit a berry. (Periomphale)
2060:(B)
Leaves velvety underneath. Corolla deeply fid, throat without such a ring. Fruit a capsule. (Escalloniaceae: Argophyllum)
Escalloniaceae
2061:(A) (orig. 2062 )
previous:2050
Leaves alternate. Ovule 1 per locule. Fruit a drupe or a berry.
next:2062
2061:(B)
Leaves opposite or in whorls, rarely alternate, then ovules many per locule. Flowers usually cymose. Stamens adnate to the corolla.
next:2063
2062:(A) (orig. 2063 )
previous:2061
Leaves usually compound. Stipules present, often intra-petiolar. Flowers in umbels, or in capitules, or in spikes, or in panicles. Stamens free from the corolla. Stigmas 2-more. Ovary 5-more-, rarely 2-locular. Petals usually calyptrate.
2062:(B)
Leaves undivided or lobed. Stipules absent. Flowers in cymes. Stamens adnate to the corolla. Stigma 1. Ovary 1-3-locular. Tropics.
2063:(A) (orig. 2064 )
previous:2061
Plants usually woody. Ovary inferior, rarely hemi-inferior, then either style apically bifid, or ovule 1 per locule.
next:2064
2063:(B)

Spigeliaceae
2064:(A) (orig. 2065 )
previous:2063
Leaves undivided or lobed. Anthers extrorse or latrorse. Stigma capitate or branched. Ovary usually 2-locular. (incl. Naucleaceae)
Naucleaceae
2064:(B)
Leaves deeply incised to pinnately compound. Anthers extrorse. Stigma 3-5-partite. Ovary 3-5-locular. (Sambucaceae)
Sambucaceae
2065:(A) (orig. 2066 )
previous:2021
Corolla imbricate. Ovules many per locule.
next:2066
2065:(B)
Corolla valvate. Ovules 1-3 per locule. Leaves undivided or absent. Fruit a drupe, or a berry, or a nut.
next:2069
2066:(A) (orig. 2067 )
previous:2065
Leaves undivided. Ovary 1-locular.
next:2067
2066:(B)
Leaves digitately compound. Ovary 5-locular. Trees. Stipules present. Flowers solitary or in fascicles. Calyx undivided or 3-5-lobed, valvate. Style undivided. Fruit a capsule, often hairy inside.
2067:(A) (orig. 2068 )
previous:2066
Stipules absent. Calyx 5-merous. Style undivided, Flowers in racemes or panicles.
next:2068
2067:(B)
Stipules present. Flowers solitary or in cymes. Calyx 2-partite. Style 3 - 8-fid. Herbs. Fruit a capsule.
2068:(A) (orig. 2069 )
previous:2067
Herbs or undershrubs. Calyx 5-fid. Staminodes 5. Fruit a capsule.
2068:(B)
Woody plants. Calyx 5-lobed. Staminodes absent. Fruit a drupe or a nut. (Maesa)
2069:(A) (orig. 2070 )
previous:2065
Plants parasitic, usually epiphytic, Leaves opposite or in whorls, sometimes absent. Ovary l-, rarely 2-, or 3-locular. Ovule not distinct from the ovary tissue.
2069:(B)
Plants autotrophic. Leaves alternate. Ovary 3-locular nearly to the apex, Ovule distinct. (incl. Erythropalaceae)
Erythropalaceae