Pilea angolensis (Hiern) Rendle
  • Fl. Trop. Afr.


Cite taxon page as 'WFO (2020): Pilea angolensis (Hiern) Rendle. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000473026. Accessed on: 06 Jun 2020'

Morphology

A delicate annual herb with transparent stem

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    Stems little branched, or with short suppressed lateral shoots (consisting of a few nodes only) in the leaf-axils, glabrous, often with orange or reddish glands in the epidermis.

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    Leaves on the upper 1/2–2/3 of the plant usually with the largest lamina and the longest petioles; leaves of a pair equal or subequal; stipules membranous, translucent and very inconspicuous, triangular, usually less than 1 mm. long; petiole 0.5–4 cm. long; lamina ovate to elliptic, (0.3–)1–3.5(–4.5) cm. long, (0.2–)0.8–2(–3.5) cm. wide, base cuneate, rounded or subcordate, margin serrate, with 3–8(–13) teeth on each side (usually restricted to the apical 2/3 of lamina), apex shortly acuminate; lateral nerves 3–4 pairs, basal pair reaching 2nd–3rd tooth from leaf-apex; both surfaces glabrous, upper surface with white dots between the numerous linear cystoliths.

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    Female flowers subsessile; perianth ± 0.8 mm. long, 3-merous, with 1 long, ovate perianth-segment with an apical swelling, the 2 others much shorter, 3 hyaline staminodal scales present, shorter than ovary.

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    Achene ovate to lanceolate, compressed, 0.8–1 mm. long, pale brown.

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    Inflorescences usually 2 together in the upper leaf-axils, spike-like, with dense cymose clusters along an axis up to 1.5 cm. long, rarely the axis branched to form a paniculate inflorescence, or with only 1 cluster on a peduncle (occasionally 1 inflorescence and 1 reduced shoot with a few nodes in a leaf-axil).

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    Male flowers either in small, separate, cymose, globular inflorescences or in small clusters at the base of ♀ inflorescences; the ♂ flowers usually develop early, on pedicels ± 0.8 mm. long; perianth ± 0.8 mm. in diameter, 3–4-merous, each tepal with a subapical swelling.

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    • Source: [
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    Annual erect herb, up to 20(–30) cm. high.

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    • Source: [
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    Ecology

    Growing on wet rocks in shady places.

  • Provided by: [B].Plants Of the World Online Portal - FWTA
    • Source: [
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     Information From

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