Ipomoea obscura (L.) Ker Gawl.
  • Bot. Reg.


Cite taxon page as 'WFO (2020): Ipomoea obscura (L.) Ker Gawl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001297254. Accessed on: 01 Jun 2020'

General Information

Herbs twining; axial parts glabrous, spreading pubescent, or almost woolly. Stems thinly angular, 1-2 m. Petiole 1.5-3.5 cm; leaf blade cordate-circular or ovate, occasionally reniform, 2-8 X 1.6-8 cm, glabrous or sparsely pilose, base cordate, margin entire or minutely undulate, apex attenuate, acute. Inflorescences 1-3-flowered; peduncle almost filiform, 1.4-4 cm; bracts subulate, ca. 1.5 mm. Pedicel 0.8-2 cm, subglabrous, thickened and recurved in fruit distally. Sepals reflexed in fruit, elliptic-ovate, subequal, 4-5 mm, glabrous or ± pubescent, mucronulate, outer ones whitish margined. Corolla white or pale yellow, with darker midpetaline bands and a purple center, funnelform, 2-2.5 cm. Stamens included; filaments very unequal. Pistil included; ovary glabrous. Stigma 2-lobed. Capsule conical-ovoid or ± globose, 6-8 mm in diam., apiculate. Seeds black-brown, 4-5 mm, densely gray-brown tomentellous. 2n = 30.

  • Provided by: [C].Flora Of CHina @ efloras.org
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    Morphology

    In typical specimens the corolla is 1·4-2·5 cm. long, whitish-yellow with or without a purplish centre.

  • Provided by: [E].Plants Of the World Online Portal - FWTA
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    Leaf-blade ovate (rarely linear-oblong), 2.7–9 cm. long, 0.4–7.5 cm. wide, acuminate or apiculate at the apex, cordate at the base, pubescent or glabrescent on both surfaces; petiole up to 8 cm. long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Perennial herb; stems slender, prostrate or twining, up to 1.2 m. long, pilose or glabrescent.

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    Corolla yellow, orange, cream or white with purple, crimson or chocolate-brown centre, 1.4–2.3 (–2.5) cm. long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    • 12
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    Capsule globose, glabrous, 8–12 mm. in diameter, tipped with persistent style base.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Seeds ovoid, black, adpressed pubescent or velvety, up to 5.5 mm. long and 3.5 mm. wide (Fig. 24/1, p. 131.)

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Sepals ovate, ovate-orbicular or ovate-lanceolate, 4–8 mm. long, 1.7–4 mm. wide, acute or apiculate, glabrous to pilose.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 12
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    Inflorescences 1–several-flowered; peduncle 3.5–4 cm. long; pedicels 1–2 cm. long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Sepals subequal, oavte, ovate-orbicular, ovate-lanceolate or lanceolate, 4–8 mm. long, acute or apiculate, glabrous to pilose, in fruit all somewhat accrescent, ultimately often spreading or reflexed.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
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    Corolla funnel-shaped, yellow, orange, cream or white, concolorous or with purple centre, 1 ·5–2·5 cm. long, glabrous or the midpetaline areas thinly hairy towards the apices.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 13
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    Capsule globose, tipped with persistent style base.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 13
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    Seeds ovoid, black, appressed pubescent or velvety.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
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    Perennial herb, with a taproot not thicker than a finger.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
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    Stems several to many, slender, prostrate to twining, up to 3 m. long, pilose or glabrescent.

  • Provided by: [B].Plants Of the World Online Portal - FZ
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    Leaf lamina ovate, rarely linear-oblong, 2·5–8·5 × 0·4–7 cm., acuminate or apiculate at the apex, cordate at the base, sometimes sagittate, entire or slightly undulate and often ciliate along the margin, pubescent or glabrescent on both surfaces; petiole up to 11 cm. long, pubescent or glabrescent as in the stems.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
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    Inflorescences 1-several-flowered; peduncle slender, 1–8 cm. long, glabrous or shortly hairy; bracteoles minute, narrow, acute; pedicels 1–2 cm. long, sometimes minutely verrucose, shortly hairy or glabrous, at first erect but in fruit reflexed and thickened towards the apex.

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

    Convolvulaceae
    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
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Missouri Botanical Garden
    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
    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
    • E The Trustees of the Royal Botanic Gardens, Kew
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).