Euphorbiaceae
Euphorbia

Euphorbia mwinilungensis L.C.Leach

First published in Bull. Jard. Bot. Natl. Belg. 46: 246 (1976)
This species is accepted
The native range of this species is E. Angola to W. Zambia. It is a succulent tuberous subshrub and grows primarily in the desert or dry shrubland biome.

Descriptions

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: low confidence
[AERP]

Euphorbiaceae, S. Carter & L.C. Leach. Flora Zambesiaca 9:5. 2001

Morphology General Habit
Spiny succulent dwarf perennial with a large woody tuberous root.
Morphology Stem
Stem subterranean, much reduced, merging imperceptibly with the root, 1–2 cm thick, branching at the apex below ground and producing numerous branches to form large clumps up to 1 m in diameter.
Morphology Branches
Branches crowded, rebranched at the base below ground level, simple, erect, 7–11.5 cm long, 3-angled, c. 5 mm in diameter; angles with prominent tubercles to 2 mm high and 8–25 mm apart along the margins.
Morphology General Spines
Spine shields crowning the tubercles, 2–2.5 mm long, ± triangular; spines 3–4 mm long, widely divergent, with expanded bases; prickles minute or absent.
Morphology Leaves
Leaves to 2.25 × 1 mm, ovate, sessile, deciduous.
Morphology Reproductive morphology Inflorescences
Cymes solitary, 1(2)-forked, subsessile; bracts c. 3 × 2.25 mm, broadly ovate.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia 2.5–3 × 6–7 mm, broadly obconic; glands c. 3 mm wide, transversely elliptic, touching, yellow; lobes c. 1.5 × 2 mm, fan-shaped, fimbriate.
sex Male
Male flowers c. 35: bracteoles c. 3 mm long, narrowly cuneate, fimbriate; stamens c. 5.5 mm long.
Morphology Reproductive morphology Flowers
Female flower: styles immature, c. 1.5 mm long, free almost to the base. Male flowers c. 35: bracteoles c. 3 mm long, narrowly cuneate, fimbriate; stamens c. 5.5 mm long.
sex Female
Female flower: styles immature, c. 1.5 mm long, free almost to the base.
Morphology Reproductive morphology Fruits
Capsule and seeds not seen.
[FZ]

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