Abutilon grantii A.Meeuse
  • in Fl. Zambes.


Cite taxon page as 'WFO (2020): Abutilon grantii A.Meeuse. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000511942. Accessed on: 09 Jul 2020'

Diagnostic Description

The plants I refer to this species are variable in leaf-shape, the degree and colour of the pubescence, the presence or absence of viscid glands on young stems and petioles, and the presence or absence of long hairs at the apex of the petiole; but they agree in the characters of the calyx and the fruit (mericarps) and there are many intermediates between forms with discolorous leaves and non-discolorous leaves, densely pubescent and more glabrous plants, etc. An extreme form is the gathering Carvalho 257 (LM; PRE) which has a somewhat different “look”. I tentatively referred this specimen to A. grantii, but it may prove to require varietal status. More material is needed.

  • Provided by: [A].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Morphology

    Seeds c. 2–5 × 2 mm., dark brown, minutely verrucose-papillose.

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    • Source: [
    • 1
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    Perennial or biennial shrublet up to 1 (1–5) m. tall; stems slender, tough when young, somewhat angular or sulcate, soon terete, covered with a short stellate-tomentose, floccose or scabridulous but not velvety indumentum, sometimes somewhat glandular-viscid on the young parts, glabrescent, greyish usually turning brown to purplish-brown or almost black, ultimately woody and marked with longitudinal short shallow grooves.

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    • Source: [
    • 1
    • ]. 

    Fruit c. 12 × 18 mm., hemispherical, umbilicate-truncate, finely stellate-pubescent.

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    • Source: [
    • 1
    • ]. 

    Pedicels on main shoots, slender, generally much longer than the petioles and often exceeding the leaves, finely stellate-pubescent, articulated in upper 10 mm.

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    • Source: [
    • 1
    • ]. 

    Mericarps 10–20, 10–11 × 8–9 mm., much compressed, papery, 2–3-seeded, obliquely truncate to somewhat convex at the slanting apical side and produced at the outer angle into a sharp point or a subulate awn up to 3 mm. long.

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    • Source: [
    • 1
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    Leaf-lamina 1–4 (6) × 0·75–3 (5) cm., thin but firm, usually triangular-cordate with broadly rounded basal lobes and abruptly acuminate into a long narrowly-triangular acumen (often with lobules at the base of the acumen and the lamina thus appearing 3-lobed), sometimes ovate-cordate or cordate-triangular, margin varying from subentire or sinuous to ± crenate or bluntly and occasionally coarsely dentate, often discolorous but sometimes lower surface only slightly paler, upper surface dark greyish-green to brown, very shortly velutinous and smooth or with additional coarse stellate hairs, glabrescent, lower surface paler to almost ash-grey or white, velutinous; petiole slender, longer or shorter than the lamina, more or less densely stellate-pubescent, sometimes somewhat viscid and often with pilose hairs at the apex (if so, often also long hairs on veins near leaf-base on lower surface).

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    • Source: [
    • 1
    • ]. 

    Petals 11–13 mm. long, yellow, glabrous except at the base.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 1
    • ]. 

    Calyx grey-green, velutinous-tomentose; tube 3–4 mm. long and 6–7 mm. in diam. at the apex, cupuliform; lobes 5–7 × 3–4 mm., ovate- or oblong-elliptic to elliptic, subacute, minutely apiculate.

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    • Source: [
    • 1
    • ]. 

    Staminal tube stellate-hirsute.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 1
    • ]. 

    Perennial or biennial shrublet up to 1 (1-5) m tall; stems slender, tough when young, somewhat angular or sulcate, soon terete, covered with a short stellate-tomentose, floccose or scabridulous but not velvety indumentum, sometimes somewhat glandular-viscid on the young parts, glabrescent, greyish usually turning brown to purplish-brown or almost black, ultimately woody and marked with longitudinal short shallow grooves. Leaf-lamina 1-4(6) × 0.75-3(5) cm., thin but firm, usually triangular-cordate with broadly rounded basal lobes and abruptly acuminate into a long narrowly-triangular acumen (often with lobules at the base of the acumen and the lamina thus appearing 3-lobed), sometimes ovate-cordate or cordate-triangular, margin varying from subentire or sinuous to ± crenate or bluntly and occasionally coarsely dentate, often discolorous but sometimes lower surface only slightly paler, upper surface dark greyish-green to brown, very shortly velutinous and smooth or with additional coarse stellate hairs, glabrescent, lower surface paler to almost ash-grey or white, velutinous; petiole slender, longer or shorter than the lamina, more or less densely stellate-pubescent, sometimes somewhat viscid and often with pilose hairs at the apex (if so, often also long hairs on veins near leaf-base on lower surface). Pedicels on main shoots, slender, generally much longer than the petioles and often exceeding the leaves, finely stellate-pubescent, articulated in upper 10 mm. Calyx grey-green, velutinous-tomentose; tube 3-4 mm long and 6-7 mm in diam. at the apex, cupuliform; lobes 5-7 x 3-4 mm, ovate- or oblong-elliptic to elliptic, subacute, minutely apiculate. Petals 11-13 mm long, yellow, glabrous except at the base. Staminal tube stellate-hirsute. Fruit c. 12 x 18 mm, hemispherical, umbilicate-truncate, finely stellate-pubescent. Mericarps 10-20, 10-11 x 8-9 mm, much compressed, papery, 2-3-seeded, obliquely truncate to somewhat convex at the slanting apical side and produced at the outer angle into a sharp point or a subulate awn up to 3 mm long. Seeds c. 2-5 x 2 mm, dark brown, minutely verrucose-papillose.

  • Provided by: [A].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Habitat

    Rarely further inland. Lowland and coastal bush, in scrub, among herbaceous plants, in forest margins etc., sometimes close to the shore. usually below 300 m.

  • Provided by: [A].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Distribution

    Coastal regions of Natal; Eastern Cape Prov.

  • Provided by: [A].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

      Bibliography

     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
    Malvaceae
    World Flora Online Data. 2017.
    • 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
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).