Hewittia malabarica (L.) Suresh
  • An Interpretation of Van Rheedes Hortus Malabaricus


Cite taxon page as 'WFO (2020): Hewittia malabarica (L.) Suresh. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001298969. Accessed on: 30 Oct 2020'

General Information

Herbs perennial. Stems herbaceous; axial parts ± densely pubescent, twining or prostrate, 1-2 m, occasionally rooting at nodes. Petiole 1-6 cm; leaf blade ovate, 3-10 X 3-8 cm, appressed pilose or subglabrous, sometimes yellow glandular ?dotted, margin ciliate, base cordate, hastate, or truncate, margin entire or 3-lobed, apex acuminate, acute, or mucronate. Inflorescences often 1-flowered; peduncle 1.5-10 cm; bracts oblong-lanceolate, 0.7-1.5 cm, pubescent, acuminate. Pedicel 2-4 mm. Sepals unequal, pubescent abaxially; outer 3 broadly ovate, 0.9-1.5 cm X 6-9 mm, to 1.7 cm in fruit; inner 2 oblong-lanceolate, smaller. Corolla pale yellow or whitish, with a purple center, 2-2.5 cm, midpetaline bands densely pilose. Stamens ca. 9 mm; filaments minutely papillate basally; anthers ovoid-deltoid. Ovary villous. Capsule enclosed by persistent calyx, depressed globose, 8-10 mm in diam., pilose. Seeds dull black, ovoid-trigonous, 4-6 mm, glabrous except for pubescent hilum. Fl. and fr. year round. 2n = 30.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    Morphology

    Twining or prostrate perennial herb. Leaf oblong or ovate to broadly ovate, cordate, hastate, cuneate or sometimes truncate at base, dentate or entire, pilose to velvety on both surfaces. Corolla 20-35 mm long. Flowers pale yellow or white, usually with purple or claret centre.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Twining or prostrate, ± pubescent, perennial herb. Stems slender, 1-3 m long, angular, occasionally rooting at nodes. Leaves very variable, oblong or ovate to broadly ovate, 25-140 x 12-100 mm, apex obtuse to acuminate, mucronulate, base cordate, hastate, cuneate or sometimes truncate, margin entire to grossly dentate, both surfaces adpressed-pubescent to nearly glabrous, auricles entire or angular, occasionally spreading and blade ± hastate; petiole pubescent, 10-60 mm long. Peduncles 5-100 mm long, pubescent, axillary, 1-flowered or sometimes bearing 2 or 3 flowers in a bracteate cyme; pedicels usually short, up to 3 mm long (in fruit 5 mm); bracteoles oblong or linear-lanceolate, acuminate, 5-17 mm long. Sepals 5, lanceolate to ovate, acute, up to 17 mm long, ± hairy and ciliate, herbaceous; outer ones large, accrescent and nervose in fruit; inner ones smaller. Corolla campanulate to funnel-shaped, 20-35 mm long, pale yellow or white, usually with maroon or purple centre, limb with 5 very short, rounded, emarginate, mucronulate lobes; midpetaline areas polose outside. Stamens 5, included; filaments linear with dilated bade; pollen smooth. Disc annular. Ovary densely hairy with long white hairs, also a few long hairs on basal part of style, 1-locular or imperfectly 2-locular at apex, 4-ovuled; style simple, filiform, included; stigmas 2, ovate-oblong, flattened. Capsule 1-locular, depressed-globose to ± quadrangular, seeds. Seeds 2-4, black, opaque, glabrous except for pubescent hilum, 5-6 mm long. Flowering time throughout the year, mostly August to January.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Habitat

    Mixed open forest, along dry watercourse, grassland, weed of cultivated lands, roadsides.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    In southern Africa it grows in grassland, in coastal forest and scrub, in bushveld and along stream banks.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution

    Found throughout tropical Africa and Asia, extending eastwards into Polynesia. It is introduced in Jamaica and probably other areas in the New World. In the FSA area, it occurs in Swaziland, the Northern Province. Mpumumalanga, Kwazulu-Natal and the Eastern Cape.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

      Bibliography

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