Ricinodendron heudelotii (Baill.) Pierre ex Heckel
  • Ann. Inst. Colon. Marseille 5(2): 40 (1898)


Cite taxon page as 'WFO (2023): Ricinodendron heudelotii (Baill.) Pierre ex Heckel. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000297055. Accessed on: 02 Apr 2023'

Morphology

Female inflorescences 6–10 cm. long, more robust than ♂; indumentum and bracts as in ♂.

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    Male flowers: pedicels 1–2 mm. long, pubescent; sepals ovate, 3–4 mm. long, 2–3 mm. wide, pubescent without and within, greenish brown; petals ovate, 5–6 mm. long, 2–3 mm. wide, glabrous except for the pilose lower free margins, white, greenish white or pale yellow-green; disc-glands 4–6, ovate-suborbicular, yellow; stamens (7–)10–14, filaments inflexed in bud, later straightening and then 6 mm. long, anthers 0.75 mm. long.

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    Male inflorescences 15–30(–40) cm. long, densely stellate-pubescent at first, soon glabrescent except in the axils of the branches; bracts subulate to linear, 3–7 mm. long, those in the lower part of the panicle, or occasionally all of them, with 1–3 globose, dark green glands on either side.

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    Stipules broadly flabelliform, 2–3(–5) cm. wide, with gland-tipped teeth 2–5 mm. long, palmately nerved, stellate-pubescent at first, soon glabrescent, persistent.

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    Petiole 10–40 cm. long, with (0–)1–2 discoid glands ± halfway along on the adaxial surface, stellate-pubescent at first, soon glabrescent.

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    Leaf-segments 3–7, elliptic-lanceolate to broadly elliptic, the median ones 10–30 cm. long, 5–15 cm. wide, the laterals somewhat smaller, long-acuminate to caudate-acuminate, acute, attenuate at base into the usually scarcely distinct pseudopetiolule, subentire or shallowly glandular-toothed, lateral nerves 15–25 pairs, glabrous or subglabrous above, subglabrous or initially or persistently densely silvery stellate-tomentose beneath, membranous.

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    Twigs up to 1 cm. diameter, sparsely lenticellate, densely ferruginous stellate-pubescent at first, soon glabrescent, with a thick pith.

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    Deciduous tree up to 40 m. high; trunk up to 25 m. high, and up to 1.5 m. in diameter 1.5 m. from the ground.

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    Seeds compressed-subglobose, 1.3–1.7 cm. diameter, reddish brown.

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    Fruits 2–3-locular, bilobed or trilobed, 2–3-seeded, occasionally unlobed if one seed aborts, 2.5–3.5 cm. long, and 4–5 cm. wide when fresh, somewhat smaller when dried, glabrescent, green at first, becoming black when ripe.

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    Wood soft, white, perishable.

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    Female flowers: pedicels 4–6 mm. long, pubescent; sepals and petals similar to those of ♂ but larger; disc crenellate, yellow-green; ovary 2–3-locular, globose, 5 mm. diameter, densely stellate-pubescent; styles 2–3, 4 mm. long.

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    Bark rough, scaling, dark grey.

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     Information From

    Euphorbiaceae
    http://www.worldfloraonline.org/organisation/Euphorbiaceae
    World Flora Online Data. 2021.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B
    World Flora Online Consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).
    Global Tree Search
    https://tools.bgci.org/global_tree_search.php
    BGCI. 2022. GlobalTreeSearch online database (version 1.6). Botanic Gardens Conservation International. Richmond, UK. DOI: 10.13140/RG.2.2.34206.61761 Available at https://tools.bgci.org/global_tree_search.php. Accessed on (15/06/2022).
    • D Botanic Gardens Conservation International