Rhamnaceae
Ziziphus

Ziziphus rivularis Codd

First published in Bothalia 7: 31 (1958)
This species is accepted
The native range of this species is S. Mozambique to S. Africa. It is a shrub or tree and grows primarily in the subtropical 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: confident
[AERP]

Rhamnaceae, R. B. Drummond. Flora Zambesiaca 2:2. 1966

Morphology General Habit
Shrub or small tree up to 7 m. tall; bark grey, smooth; branchlets densely puberulous with greyish curled hairs.
Morphology Leaves
Leaf-lamina 3·5–7 × 1·2–3·4 cm., narrowly elliptic-ovate to elliptic-ovate, apex acute, margin serrulate, base rounded, not markedly asymmetric, upper surface somewhat glossy, very prominently 3-nerved below from the base to the apex, with prominent reticulate venation on both sides, sparingly pubescent especially on the main nerves above and below but becoming glabrous with age; petiole 4–10 mm. long, pubescent; stipules up to 1 mm. long, not spinescent.
Morphology Reproductive morphology Inflorescences
Cymes sessile, of (1)3–5 flowers; pedicels 1–1·5 mm., elongating to up to 3 mm. long in fruit, pubescent.
Morphology Reproductive morphology Flowers Calyx
Sepals 1–5 mm. long, deltate, pubescent outside.
Morphology Reproductive morphology Flowers Corolla
Petals up to 1 mm. long, obovate, unguiculate.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens with filaments 1 mm. long; anthers medifixed.
Morphology Reproductive morphology Flowers Disc
Disk obscurely 5-lobed.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 3-locular; style 3-fid, c. 1 mm. long.
Morphology Reproductive morphology Fruits
Fruit up to 7 mm. in diam., globose, 3-seeded.
Morphology Reproductive morphology Seeds
Seeds up to 6 mm. long, somewhat compressed.
[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