Ipomoea bolusiana Schinz
  • Verh. Bot. Vereins Prov. Brandenburg


Cite taxon page as 'WFO (2020): Ipomoea bolusiana Schinz. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001297700. Accessed on: 28 Oct 2020'

Morphology

Corolla funnel-shaped, magenta-pink, mauve or rosy-purple, darker in the centre, very rarely reported to be white, 4–7·5 cm. long and 4–6 cm. in diam.

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    Capsule subglobose-conical, apiculate by the style-base, glabrous.

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    Flowers axillary; peduncle very short, rarely up to 6 cm. long; pedicels very short, thickened, rarely up to 15 mm. long; bracteoles, small, lanceolate, often deciduous.

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    Sepals ovate-lanceolate, lanceolate or oblong-lanceolate, sometimes ovate or elliptic, acute or acuminate, 8–16 mm. long, glabrous.

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    Seeds covered with long shiny fawn hairs.

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    Stems one or several, erect or prostrate, woody at the base, glabrous, terete, usually slender.

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    Leaf lamina palmately 3–9 sect, with very narrow, linear or filiform segments 20–70 × 0·5–4 (10) mm., sometimes somewhat pinnate to distinctly pinnate, if 3 terminal segments are partly fused to form a common rachis, or entire, linear, sometimes linear spathulate, 4–10 (15) × 0·2–0·4 (0·7) cm.; petioles of dissected leaves up to about 2 cm. long, of simple leaves sometimes inconspicuous because the leaf is much narrowed at the base.

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    Perennial, glabrous from a thick tuberous, subglobose or somewhat fusiform root-stock, 5–13 mm. in diam.

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    Erect or prostrate perennial herb. Leaf lamina pal-mately 3-9-sect, with narrow linear or filiform segments or entire, linear, sometimes linear spathulate. Corolla 40-75 mm long. Seeds covered with long hairs. Flowers magenta-pink, mauve or rosy purple, darker in centre.

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    Glabrous perennial. Root tuberous, mostly subglobose, up to 130 mm in diameter. Stems one or several, erect or prostrate, woody at base, erect stems up to 300 mm long, prostrate ones up to 3 m or more. Leaves either palmately 3-9-sect (mainly on creeping stems) with segments 20-70 x 0.5-3.0 mm, or simple, linear to bilobed, 40-150 x 2-7 mm, sometimes pinnate, if three, then terminal segments partly fused to form a common rhachis; petiole of dissected leaves up to ±20 mm long, of simple leaves sometimes inconspicuous. Peduncles 1-flowered, usually very short; bracteoles often deciduous; pedicels short, thickened. Sepals lanceolate to elliptic, acute or acuminate, equal or unequal, 7-20 mm long. Corolla funnel-shaped, 40-70 mm long, 40-60 mm wide, usually bright magenta-pink, lighter outside and darker in centre and on midpetaline areas. Capsule subglobose-conical, 10-12 mm long and in diameter, apex often depressed, apiculate by style base. Seeds 4, 5-7 mm long, covered with long, shiny, fawn hairs.

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    Perennial herb; glabrous. Stems erect or procumbent. Leaves with blade either palmately 3-9-sect, with segments 20-70 x 0.5-3.0 mm, or simple, linear to bilobed, 40-150 x 2-7 mm. Flowers: peduncles 1-flowered; calyx lobes equal or unequal, narrowly ovate, 7-20 mm long, apices acute or acuminate, glabrous; corolla 40-75 mm long, bright magenta-pink, lighter outside, darker in centre and on midpetaline bands; Aug.-Apr. Fruit a subglobose-conical capsule, 10-12 mm in diameter; seeds with long, shiny, fawn-coloured hairs.

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    Habitat

    Open woodland and savanna, grassland with scattered shrubs, rocky and sandy soils.

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    Found in bushveld, savanna and grassland, on rocky and sandy soils.

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    Vredefort Dome Savanna; Dry Grassland. Savanna, grassland with scattered shrubs, rocky and sandy soils.

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    Distribution

    Distributed from Tanzania, Zambia, Angola, Zimbabwe, Mozambique, Namibia and Botswana to Swaziland and the central and eastern parts of South Africa.

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      Bibliography

    • 1 Convolvulaceae, Maria Leonor Gonçalves. Flora Zambesiaca 8:1. 1987
    • 2 Herman, PPJ; Retief, E. 1997. Plants of thenorthern provinces of South Africa: keys and diagnostic characters. Strelitzia 6: 1 - 681. National Botanical Institute, Pretoria.
    • 3 Meeuse, ADJ; Welman, WG. 2000. Convolvulaceae. Fl. S. Africa 28(1): 1 - 138. National Botanical Institute, Pretoria.
    • 4 Venter, HJT; Retief, E; Meyer, NL. 2017. Convolvulaceae. In: E Retief & NL Meyer (eds), Plants of the Free State: Inventory and identification guide. Strelitzia 38: 463 - 473. South African National Biodiversity Institute, Pretoria.
    • 5 Verh. Bot. Vereins Prov. Brandenburg

     Information From

    Convolvulaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B All Rights Reserved
    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).