Apocynaceae
Orbea

Orbea lugardii (N.E.Br.) Bruyns

First published in Aloë 37: 75 (2000)
This species is accepted
The native range of this species is S. Africa. It is a succulent subshrub and grows primarily in the desert or dry shrubland biome.

Descriptions

Goyder, D. J., Gilbert, M. G. & Venter, H. J. T. (2020). Apocynaceae (part 2). In: M. A. García (ed.), Flora Zambesiaca, Vol. 7(3). Royal Botanic Gardens, Kew.

Type
Botswana, Toteng [Totin] near Lake Ngami, xii.1896, Lugard 74 (K holotype).
Morphology General Habit
Clump-forming rhizomatous stem succulent
Morphology Stem
Stems erect, 4–15 cm long, 0.6–1.2 cm thick, 4-angled
Vegetative Multiplication Tubers
Tubercles tapering into a conical spreading acuminate tooth
Morphology Reproductive morphology Inflorescences
Inflorescences 2–6 per stem in the upper half or near the apex; 1–3(7) flowers developing successively or occasionally together; peduncle short; pedicels 3–6 mm long, ascending and generally holding the flower facing upwards
Morphology Reproductive morphology Flowers Calyx
Sepals 3–5 mm long
Morphology Reproductive morphology Flowers Corolla
Corolla rotate to campanulate, 3–4.5 cm diam., finely papillate all over; corolla tube 3–6 mm deep and 5–8 mm across, more or less enclosing the gynostegium, red or brown; lobes spreading to ascending, 18–25 mm long and 3–4 mm wide at base then narrowing abruptly into slender recurved limb, narrow portion yellow, yellow-green, red or brown, wider basal portion mostly same colour as the tube
Morphology Reproductive morphology Flowers Corona
Outer corona lobes red to purple-brown, ascending and deeply bifid with diverging teeth, 1–2 mm long; inner corona lobes yellow above from a reddish base, dorsiventrally flattened and adpressed to back of anthers then connivent-erect, 4–5 mm long.
Distribution
Botswana.
[FZ]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

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

  • Herbarium Catalogue Specimens

    • 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 Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. 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/