1. Family: Boraginaceae Juss.
    1. Genus: Heliotropium Tourn. ex L.
      1. Heliotropium lineare Gürke

        This species is accepted, and its native range is S. Africa.

    [FZ]

    Boraginaceae, E. S. Martins (Trichodesma by R. K. Brummit). Flora Zambesiaca 7:4. 1990

    Habit
    Erect perennial herb up to 45(60) cm. high, with a thin rootstock and usually branched from the base; stem and branches angular, ± densely strigose with 2-armed trichomes.
    Leaves
    Leaves 18–60(75) x 1–4(8) mm., linear basal ones usually narrowly elliptic, rough on both surfaces, strigose with 2-armed trichomes on the midrib and also sometimes on the secondary nerves below, acute to obtuse at apex, gradually narrowed into a short petiole at base, with entire revolute margins.
    Inflorescences
    Cymes short, up to 9 cm. long when completely expanded, lax, ebracteate, often 2–4 together on short terminal peduncles.
    Flowers
    Flowers sessile or subsessile.
    Calyx
    Calyx subglabrous outside, glabrous or subglabrous inside; lobes 1.0–1.8 mm. long, narrowly ovate to narrowly triangular, subequal, acute to obtuse, erect.
    Corolla
    Corolla narrowly infundibuliform, white, cream or yellow, clothed with scale-like 2-armed trichomes outside, glabrous inside; tube (3)4–5 mm. long; lobes 1.2–2.0 mm. long, triangular-acuminate and with undulate margins, subequal.
    Stamens
    Stamens inserted about the middle of the corolla tube; anthers 1.0–1.3 mm. long, narrowly oblong, apiculate, subsessile.
    Ovary
    Ovary ovoid, glabrous.
    Pistil
    Style 1.0–1.6 mm. long, terete, glabrous; stigmatic ring c. 0.5 mm. in diameter, well-marked; sterile appendix c. 1 mm. long, conical, bi or 4-fid, glabrous.
    Fruits
    Fruits c. 2.0 x 3.5 x 2.0 mm., transversely ellipsoid, deeply depressed laterally, granulate-verrucose; nutlets free, usually narrowly winged, with the inner faces ± flat; each nutlet includes 2 cavities, the distal one ferule, the proximal one empty and usually smaller than the other.

    Images

    Distribution

    Native to:

    Botswana, Cape Provinces, Free State, Lesotho, Namibia, Northern Provinces

    Heliotropium lineare Gürke appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Drege [s.n.], South Africa K000418742
    Drege [s.n.], South Africa K000418743
    Kuntze, O. [s.n.], South Africa K000418738

    First published in H.G.A.Engler & K.A.E.Prantl, Nat. Pflanzenfam. 4(3a): 96 (1893)

    Accepted by

    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Launert, E. & Pope, G.V. (eds.) (1990). Flora Zambesiaca 7(4): 1-114. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Launert, E. & Pope, G.V. (eds.) (1990). Flora Zambesiaca 7(4): 1-114. Royal Botanic Gardens, Kew.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/