1. Family: Boraginaceae Juss.
    1. Genus: Heliotropium Tourn. ex L.
      1. Heliotropium giessii Friedr.-Holzh.

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

    [FZ]

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

    Habit
    Erect perennial herb up to 50(100) cm. high, woody at the base, strong; stem and branches subterete, clothed with short white retrorse hairs and with some longer antrorse ones, rarely all antrorse.
    Leaves
    Leaves alternate; petiole 0–8(15) mm. long with hair-covering like the branches; lamina 30–120 x 8–25 mm., lanceolate to oblong, hairy or rough above, hairy to tomentose below, densely covered with the swollen bases of the hairs, acute to rounded at apex, acute to obtuse at base, often asymmetrical, margins entire or repand, secondary nerves 4–5 on each side of the midrib.
    Inflorescences
    Cymes dense usually short, in groups of 2–4(5) on each terminal peduncle.
    Flowers
    Flowers sessile or subsessile.
    Calyx
    Calyx villous outside and inside; lobes 3.0–3.5 x 0.5–0.8 mm., narrowly ovate to narrowly oblong, acute to rounded at apex, erect.
    Corolla
    Corolla white; tube 4–6 mm. long, slightly swollen over the anthers, clothed with short retrorse hairs outside, glabrous inside, with 5 longitudinal folds on the second third inside, on the line of the corolla lobes; limb 3–4 mm. in diam., spreading, subglabrous, lobes 1.2–1.5 x 0.8–1.3 mm., oblong or oblong-obovate, rounded at apex and with undulate margins.
    Stamens
    Stamens inserted at j from base on the corolla tube; anthers 1.2–1.5 mm. long, lanceolate, apiculate, apex reaching the mouth, subsessile.
    Ovary
    Ovary ovoid, glabrous.
    Pistil
    Style 2–3 mm. long, swollen to the apex, with very short retrorse hairs on the upper half; stigmatic ring c. 0.5 mm. in diam.; sterile appendix 0.6–0.8 mm. long, conical, bifid, roughish or hirtellous.
    Fruits
    Fruits c. 2.5 x 3.0 mm., subglobulous, 4-lobed, pustulate, enclosed in the calyx; nutlets free.

    Distribution

    Native to:

    Botswana, Kenya, Namibia, Northern Provinces, Tanzania, Zimbabwe

    Heliotropium giessii Friedr.-Holzh. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 19, 2008 Crawford, F. [07], Namibia K000450289

    First published in Mitt. Bot. Staatssamml. München 3: 616 (1960)

    Accepted by

    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Verdcourt, B. (1991). Flora of Tropical East Africa, Boraginaceae: 1-124.
    • Launert, E. & Pope, G.V. (eds.) (1990). Flora Zambesiaca 7(4): 1-114. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • 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.

    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