Euphorbiaceae
Euphorbia

Euphorbia guerichiana Pax

First published in Bot. Jahrb. Syst. 19: 143 (1894)
This species is accepted
The native range of this species is S. Tropical Africa to N. South Africa. It is a semisucculent shrub or tree and grows primarily in the desert or dry shrubland biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/146458262/146458264

Conservation
LC - least concern
[IUCN]

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]

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

Morphology General Habit
Woody shrub or small tree to 3 m high with a papery bark; branches reddish-brown.
Morphology Leaves
Leaves with a petiole 1–3 mm long; stipules glandular, triangular, minute, dark brown; lamina 1.5–3.5 × 0.5–1.3 cm, obovate to lanceolate, rounded at the apex, cuneate at the base, entire, minutely pubescent especially beneath, rarely almost glabrous.
Morphology Reproductive morphology Inflorescences
Cymes reduced to solitary axillary subsessile cyathia on dwarf leafy branchlets; bracts scarious, 1 × 1 mm, rounded, margins ciliate.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia 2.5 × 3.5 mm with cup-shaped involucres, minutely pubescent, at least at the base; glands 5, 1 × 1.5 mm, transversely elliptic, spreading; lobes 0.5 mm long, rounded, margin denticulate, ciliate.
sex Male
Male flowers: bracteoles deeply laciniate, apices ciliate; stamens 3.5 mm long.
Morphology Reproductive morphology Flowers
Female flower: ovary glabrous, subtended by an obvious 3-lobed perianth; styles 2.5 mm long, joined to halfway with spreading bifid apices. Male flowers: bracteoles deeply laciniate, apices ciliate; stamens 3.5 mm long.
sex Female
Female flower: ovary glabrous, subtended by an obvious 3-lobed perianth; styles 2.5 mm long, joined to halfway with spreading bifid apices.
Morphology Reproductive morphology Fruits
Capsule c. 9 × 9 mm, deeply 3-lobed, minutely pubescent, exserted on a reflexed pedicel 6–9 mm long.
Morphology Reproductive morphology Seeds
Seeds 4.5 × 3.5 mm, ovoid with obtusely pointed apex, slightly dorsi-ventrally compressed, smooth, grey, speckled; caruncle 2.3 mm in diameter, cap-like.
[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/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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 2026. 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