Croton menyharthii Pax
  • Bull. Herb. Boissier


Cite taxon page as 'WFO (2020): Croton menyharthii Pax. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000931679. Accessed on: 10 Jul 2020'

Morphology

Petioles 2–5(–9) mm. long, cream-lepidote or yellowish stellate-lepidote; leaf-blade elliptic-ovate, oblong-ovate or ovate-lanceolate, 2.5–7(–11) cm. long, 1–3(–4.5) cm. wide, obtuse or emarginate, rounded or shallowly cordate, with minute stipitate basal glands usually not visible from above, entire, firmly membranous or subchartaceous, lateral nerves 7–11 pairs, slightly prominent beneath, uniformly thinly stellate-pubescent and yellowish green above, shiny silvery or cream-lepidote beneath, the scales either unadorned or with their central bosses stellate-pubescent.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Young twigs densely yellowish or silvery lepidote, the scales sometimes stellate-pubescent on their central bosses, falling after the first season or remaining the following season; older twigs pale greyish brown.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    A monoecious much-branched shrub up to 5 m. tall.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Male flowers: pedicels 2–5 mm. long, slender, yellow lepidote or stellate-lepidote; sepals 5, ovate, 2 mm. long, 1.5 mm. wide, subacute, yellow or yellow-brown lepidote or stellate-lepidote without, glabrous within, pale yellow-green; petals 5, linear-oblong or linear-oblanceolate, 2 mm. long, 0.5 mm. wide, ciliate on the margin, pubescent within, glabrous without; disc minute or 0; stamens 12–15, filaments 2 mm. long, glabrous, anthers 0.5 mm. long; receptacle pilose.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Racemes terminal, up to 5 cm. long, but more often 1–3 cm. long, ♂ for most of their length, but with 1–4 ♀ flowers at the base, axis yellow lepidote or stellate-lepidote; bracts deltate, 0.75 mm. long,lepidote, ciliate.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Axillary buds not perulate.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Stipules lanceolate, 0.75 mm. long, somewhat obscured by the scales, caducous.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Fruit 3-lobed, 6–7 mm. long, 7–9 mm. diameter, septicidal, yellow lepidote and black spotted owing to the darker coloration of the central bosses of some of the scales.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Seeds oblong-ovoid, 6 mm. long, 4 mm. wide, brown or greyish, shiny, with a ± convex caruncle 2 mm. wide.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Female flowers: pedicels 2–3 mm. long, extending to 4 mm. in fruit, stouter than in the ♂, yellow or yellow-brown lepidote or stellate-lepidote; calyx 5-lobed, the lobes resembling the ♂ sepals; petals 0; disc annular; ovary subglobose, 2 mm. diameter, densely yellow-brown, brown or black lepidote or stellate-lepidote; styles 3–4, spreading or incurved, 2.5 mm. long, lepidote at the base, otherwise glabrous, deeply bipartite, the lobes linear, entire or bifid at the apex.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Fruits 6–7 × 6–8 mm, subglobose-trigonous, septicidal, densely lepidote, pale silvery-green or cream-green, sometimes black-speckled.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
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    Female flowers: pedicels 2–4 mm long, stouter than in the male, densely lepidote; sepals 5, c. 2 × 1 mm, triangular-ovate, otherwise as in the male; petals absent; disk 5-lobed, the lobes truncate, glabrous; ovary 1.5 mm in diameter, subglobose, densely yellowish-lepidote; styles 3, 2–3 mm long, erect or spreading, deeply 2-partite, the segments linear-filiform, glabrous, pale green or dull purple.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Seeds 4–5.5 × 3 × 2.5 mm, oblong-ovoid, smooth, shiny, grey, sometimes mottled blackish; caruncle 2–2.5 mm wide, somewhat convex, pale yellow.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    A much-branched shrub or small tree up to 4 m tall, monoecious or sometimes dioecious.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Male flowers: pedicels 4–5 mm long; sepals 5, 2 × 1.5 mm, ovate, lepidote without, glabrous within, pale yellowish-green; petals 5, 2.5 × 0.75 mm, linear-oblanceolate to oblong, ciliate but otherwise glabrous, pale yellowish-cream; disk glands 5, truncate, fleshy, glabrous; stamens 15, filaments 2 mm long, glabrous except at the base, anthers 0.5 mm long with a broad connective, pale yellow; receptacle pilose.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Racemes 1–6 cm long, terminal on short lateral shoots, androgynous or all male; bracts c. 1 mm long.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
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    Leaf blades 1–9.2 × 0.5–4 cm, elliptic to ovate-lanceolate, obtuse or emarginate at the apex, entire, rounded to shallowly cordate at the base, with a pair of minute stipitate basal glands beneath, thinly chartaceous, sparingly stellate-pubescent and dark green on upper surface, silvery or yellowish-lepidote beneath, bright orange on dying; lateral nerves in 7–12 pairs, slightly prominent beneath.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Petioles 2–10 mm long.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Stipules 1 mm long, subulate, lepidote, soon falling.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
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    Young twigs densely stellate-lepidote.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Bark smooth, brownish-grey.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Shrub or small tree, up to 3 m high. Undersurface of leaves distinctly silvery, produced by dense scales, upper surface roughish to the touch, stellate-puberu-lous. Flowers yellow.

  • Provided by: [A].e-Flora of South Africa
    • Source: [
    • 10
    • ]. 

    Habitat

    Riverine woodland and bushveld.

  • Provided by: [A].e-Flora of South Africa
    • Source: [
    • 10
    • ]. 

     Information From

    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • A All Rights Reserved
    Euphorbiaceae
    • B 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
    • C
    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