Ixonanthaceae Planch. ex Miq.
  • Fl. Ned. Ind. 1(2): viii, 494. 1858. (30 Sep 1858)


Cite taxon page as 'WFO (2021): Ixonanthaceae Planch. ex Miq. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-7000000304. Accessed on: 16 Oct 2021'

Morphology

Seeds arillate, with fleshy endosperm

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    Ovary 5–3-celled; ovules 2 in each cell, pendulous from the central axis; style simple or shortly 5–3-fid

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    Fruit a capsule, woody or coriaceous, septicidal, the carpels often spuriously septate

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    Stamens 5–20, inserted on an annular disk or shortly united at base, hypogynous or subperigynous; filaments otherwise free; anthers 2-celled, short

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    Petals 5, free, contorted, persistent and indurated in fruit

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    Sepals 5, shortly connate, imbricate

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    Flowers hermaphrodite, in axillary fascicles or cymes

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    Leaves alternate, simple, entire or toothed, pinnately nerved; stipules very small, caducous

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    Trees and shrubs

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    Trees, shrubs or rarely subshrubs, glabrous or with simple hairs

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    Leaves alternate, simple, pinnately nerved; stipules small, absent or large and deciduous, enclosing the leaf-buds and leaving scars on the stem

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    Fruit a capsule dehiscing septicidally and sometimes partially loculicidally into 5 valves or an indehiscent 1-5-locular drupe or samara

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    Seeds with or without endosperm, sometimes arillate

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    Stamens 5, 8-10 or 20, all fertile; filaments inserted on the outer side of a ring- or cup-like disk, either free or basally attached to the disk; anthers dorsifixed, dehiscing longitudinally; filaments and style folded in the bud

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    Ovary superior, 2-5(-6)-locular, each locule with 1-2 ovules and often±divided by a false septum; ovules, if 2, collateral, pendulous; styles simple or several completely united with 5 stigmas free and radiating or united or stigma simple

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    Sepals 4-5, imbricate, free or united at the base

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    Petals 4-5(-6), imbricate or contorted in bud, free, not clawed, sometimes persistent, in some genera becoming indurated

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    Flowers in axillary cymes, racemes or panicles, regular, normally hermaphrodite, not heterostylous

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    Seeds slightly compressed, shining, almost surrounded by a fleshy aril or winged, with fleshy endosperm; embryo often oblique or lateral

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    Trees, shrubs, or rarely suffrutices, glabrous or with an indumentum of simple hairs

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    Leaves alternate, simple, penninerved, with small stipules or exstipulate

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    Fruit a capsule dehiscing septicidally (sometimes also partially loculicidally) into 5 valves

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    Ovary superior, 3–5-locular, with each loculus 2-ovulate and often ± subdivided by a false septum; ovules collateral, pendulous; styles completely united, with 5 stigmas, free and radiating or united

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    Stamens 20, 10 or 5, all fertile; filaments free, inserted on the outer side of an eglandular annulus or cup; anthers dorsifixed, dehiscing longitudinally

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    Petals 5, contorted in bud, free, not unguiculate, persistent, often becoming indurated

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    Sepals 5, imbricate, free or united at the base

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    Flowers in axillary cymes or racemes, sometimes paniculate, actinomorphic, bisexual, homostylic

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     Information From

    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • A
    Plants Of the World Online Portal - FWTA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • B The Trustees of the Royal Botanic Gardens, Kew
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • C
    Ixonanthaceae
    World Flora Online Data. 2017.
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).