Caloncoba welwitschii (Oliv.) Gilg
  • Bot. Jahrb. Syst.


This taxon is accepted by Achariaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

Morphology

Forest shrub or tree, to 30 ft. high

  • Provided by: [C].Plants Of the World Online Portal - FWTA
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    Flowers white.

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    Shrub or generally tree, 4–14(–20) m. tall; bark greyish-brownish.

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    Leaves ± deciduous, aggregated towards the ends of the branches; blade ovate, apex acuminate, base broadly cuneate to cordate, membranous to chartaceous, glabrous, 10–28 cm. long, (5.5–)8–20 cm. broad, 5-nerved from the base, upper lateral nerves 2–4 pairs, veins ± transverse, prominent beneath with ± pronounced reticulation of the veinlets; petiole 4–12(–19) cm. long; stipules subulate-aristate, up to 2.5 cm. long, caducous.

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    Flowers 2–5 in a fascicle from defoliate axils, or from old branches, even from the trunk, appearing with the young leaves, up to 10 cm. in diameter; pedicels sparingly glandular, 1.5–2.5 cm. long at anthesis, up to 4 cm. in fruit.

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    Sepals oblong-elliptic, glandular dorsally, subpersistent, 1.2–2 cm. long, 0.7–1.3 cm. broad.

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    Petals ± 10, about twice the size of the sepals, spathulate-oblong, strongly veined towards the base, (1.6–)2.5–4.5 cm. long, (0.6–)1–2.3 cm. broad.

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    Fig. 8/8, 9.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Filaments up to 2.5 cm. long; anthers 3–4 mm. long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Ovary tuberculate; style slender, ± 1 cm. long, with 5–6 short stigmatic branches.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Capsule elliptic to subglobular, 7–10(–15) cm. long, 4–6(–12) cm. across including the spines (these (1.5–)2–5 cm. long), splitting into 5–6 valves, which recurve when ripe; pericarp ± 5 mm. thick.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Seeds numerous, globose, puberulous, 5–7 mm. long, 3–4 mm. broad.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Small or medium sized tree up to c. 14 m. tall, branches glabrous or puberulous.

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    Seeds numerous, 6–7 mm. in diam., globose, puberulous.

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    Ovary tuberculate; placentas 5–6; style slender, c. 1 cm. long, stigma-lobes 5–6, linear, obtuse or capitate.

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    Stamens very numerous with slender filaments up to 2 cm. long; anthers linear, 4 mm. long, dehiscing by apical slits.

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    Fruit a densely echinate capsule c. 8 cm. in diam. (including spines), with slender spines 1.5–2 cm. long, splitting into 5–6 recurved valves when ripe; style persistent.

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    Flowers up to 10 cm. in diam., scented, borne on the previous year’s branches or on older wood, appearing with the young leaves, in fascicles of 2–5; pedicels up to c. 2–5 cm. long, sparingly glandular.

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    Leaves collected towards the ends of the branches; lamina up to 25 x 18 cm., membranous, ovate, apex acuminate, base rounded or slightly cordate, 5-nerved from the base; petiole up to 15 cm. long; stipules up to 2.5 cm. long, subulate-aristate, caducous.

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    • Source: [
    • 8
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    Petals white, c. 10, about twice the size of the sepals, spathulate-oblong, tapering to a short basal claw, strongly veined towards the base.

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    • Source: [
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    Sepals 2 x 1.3 cm., imbricate, very concave, glandular on exposed parts outside, oblong.

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     Information From

    Achariaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B
    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
    • C 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
    • D
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • F Botanic Gardens Conservation International