Apocynaceae
Adenium

Adenium swazicum Stapf

First published in Bull. Misc. Inform. Kew 1907: 53 (1907)
This species is accepted
The native range of this species is S. Mozambique to S. Africa. It is a semisucculent shrub and grows primarily in the desert or dry shrubland biome.

Descriptions

Apocynaceae, A. J. M. Leeuwenberg and F. K. Kupicha et al.. Flora Zambesiaca 7:2. 1985

Morphology General Habit
Succulent shrub, 0·2–0·7 m. tall with a carrot-like tuber up to 1 m. in diam. with poisonous clear latex.
Morphology Leaves
Leaves petiolate; petiole 1–4 mm. long; lamina oblong to narrowly oblong, 3·5–9·1 times as long as wide, 4–11·5 x 0·5–3·1 cm., rounded and apiculate to mucronate, rarely emarginate, above pubescent, especially the midrib; secondary veins more or less inconspicuous, beneath pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescence 1·5–3·5 x 1–2·5 cm.; bracts narrowly oblong to narrowly ovate, 3–10 x 2 mm.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 6–10(15) mm. long, tinged with pink or red.
Morphology Reproductive morphology Flowers Calyx
Calyx crimson or pink to green, narrowly oblong to narrowly ovate, 7–11 x 1·5–3 mm., pubescent outside, appressed-pubescent inside, especially towards the apex.
Morphology Reproductive morphology Flowers Corolla
Corolla crimson, deep mauve or pink to white; tube crimson to white, 2·2–3·5(4) times as long as the calyx, 2–3 x (0·6)1–1·3(1·9) cm., outside pubescent, only at the very base nearly glabrous, glabrescent inside; narrow basal portion 0·6–1 times as long as the calyx, 0·5–0·9 x 0·2–0·4 cm.; lobes deep mauve to white, obovate, 1·3–2·5(3·5) x 1–2 cm., apiculate, slightly undulate, both sides puberulous; a glabrous scale at the base (2)2·5 x 1·5 mm.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included; free part of filament glabrous outside, lanate inside; anther 5–6·5 x 1–1·5 mm., hispid outside; cells 2–3 x 1 mm.; appendages (1·2)1·5–2 times as long as the anther, hispid.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Pistil 9–11·5 mm. long; ovary glabrous or puberulous to sericeous; carpels 1·5–2·5 x 1–1·5 x 1–2·5 mm.; style 5·5–7(9·5) x 0·5 mm.; clavuncula 1–1·5 x 0·5–1 mm.
Morphology Reproductive morphology Fruits
Follicle grey-brown, 16x1 cm.
Morphology Reproductive morphology Seeds
Seed pale-brown, glabrous, 1·2–1·4 x 0·3 cm., comas dirty white, 2·8–3·5 cm. long.
[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

  • Kew Science Photographs

    • Copyright applied to individual images