Geranium aculeolatum Oliv.
  • Fl. Trop. Afr.


Cite taxon page as 'WFO (2020): Geranium aculeolatum Oliv. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000699940. Accessed on: 05 Jun 2020'

Morphology

Seeds 2–2.8 mm. long, 1–1.4mm. wide, glabrous; testa scarcely reticulate.

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    Ovary pubescent; stigmas 1.5–2.5 mm. long, slightly hispid or pubescent.

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    Mericarps smooth, pilose; mature rostrum 15–25 mm. long, 1–1.5 mm. wide, shortly pubescent.

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    Petals broadly spathulate, 7–10 mm. long, ± 5 mm. wide, obtuse, white or pale pink to pale mauve.

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    Stamens: filaments narrowly lanceolate, 4–5 mm. long, scarcely hispid towards the base along the edges; anthers 0.8–1.1 mm. long, 0.5–0.7 mm. wide.

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    Inflorescence 2-flowered; peduncle 2–10 cm. long, grooved or terete, sometimes with prickles, usually densely glandular; pedicels 5–25 mm. long; bracts linear-lanceolate, 2–5 mm. long, hyaline along the edges, mostly stiffly pilose.

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    Sepals lanceolate, 7–8 mm. long, 1–4 mm. wide, mucronate, 3-nerved, hyaline at the edge, usually stiffly pilose outside but glabrous inside.

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    Perennial herb up to 9 dm. long, climbing or trailing, rooting at the nodes; stems herbaceous, longitudinally grooved, armed with sharp reflexed prickles, and with glandular hairs on the younger parts; internodes 2–15 cm. long, 1–3 mm. thick, sometimes pinkish especially the older parts.

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    Leaves opposite and palmately lobed; lamina 5-lobed, divided to about three-quarters of the radius; lobes 2–12 mm. wide at the base, rhombic in outline, pinnatifid, stiffly pilose on both surfaces, particularly on the veins of the lower surface;petiole 1–10 cm. long, longitudinally grooved, covered with sharp reflexed prickles and often with glandular hairs; stipules divided nearly to the base into lanceolate to linear segments, 3–8 mm. long, often glandular hairy towards the margin, margin often hyaline.

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    Leaf-lamina 5-lobed, divided to about 3/4; lobes 1–10 mm. across at base, rhombic in outline, pinnatifid, stiffly pilose on both the upper and lower surfaces; petiole 1–8 cm. long, longitudinally furrowed, covered with sharp reflexed prickles and often also glandular hairs; stipules 3–8 mm. long, lacerated nearly to the base into lanceolate to linear segments, often glandular-hairy towards the margin, which is often hyaline.

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    Flowers in 2-flowered inflorescences; peduncle 2–10 cm. long, furrowed or terete, sometimes with prickles, usually densely glandular; pedicels 5–25 mm. long, furrowed or terete, sometimes with prickles, usually densely glandular; bracts 2–5 mm., linear-lanceolate, hyaline at the edge, often stiffly pilose.

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    Perennial herb, climbing or trailing and rooting at the nodes; stems longitudinally furrowed, covered with sharp reflexed prickles, and with glandular hairs on the younger parts.

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    Stamens 10, filaments about 4–5 mm. long, narrowly lanceolate.

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    Ovary pubescent; stigmas 5.

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    Sepals 7–8 × 1–4 mm., lanceolate, mucronate, 3-nerved, hyaline at the edge, usually stiffly pilose.

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    Petals c. 10 × 5 mm., white or pale pink or pale mauve.

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    Seeds smooth, glabrous.

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    Cocci smooth, pilose; mature rostrum 15–25 × 1·5 mm., shortly pubescent; stigmas 1·5–2·5 mm. long.

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     Information From

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