Rytigynia senegalensis Blume

First published in Mus. Bot. 1: 179 (1850)
This species is accepted
The native range of this species is Tropical Africa. It is a shrub or tree and grows primarily in the seasonally dry tropical biome.

Descriptions

Rubiaceae, F. N. Hepper & R. W. J. Keay. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A glabrous shrub with slender branchlets, more or less scrambling
Morphology Leaves
Elegant foliage
Morphology Reproductive morphology Flowers
Flowers white or greenish, paired on slender axillary peduncles; with reflexed petals
Ecology
Moist shady places in savanna.
[FWTA]

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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/153946364/153946366

Conservation
LC - least concern
[IUCN]

Rubiaceae, D. Bridson. Flora Zambesiaca 5:2. 1998

Morphology General Habit
Shrub or small tree 1.2–1.5 m tall, glabrous; bark on older shoots greyish, ridged and peeling revealing purplish-red beneath.
Morphology Leaves
Leaves 1.2–4 × 0.2–1.2 cm, oblong-lanceolate, long-acuminate at the apex with a narrowly rounded tip, cuneate at the base, with small pubescent domatia in axils of main nerves beneath; venation drying visible but not raised beneath, reticulate; petiole ± obsolete, appearing c. 2 mm long with the margins of the blade decurrent to the base; stipule sheath 1–2 mm long with a short narrowly flattened appendage 1–1.5 mm long.
Morphology Reproductive morphology Flowers
Flowers in 2-flowered cymes; peduncle 5–7 mm long, ± equalling or mostly longer than the 2–5 mm long pedicels.
Morphology Reproductive morphology Flowers Calyx
Calyx tube 1–1.2 mm long; limb c. 0.25 mm long, minutely denticulate.
Morphology Reproductive morphology Flowers Corolla
Corolla minutely apiculate in bud; greenish-white; tube 2.5 mm long, shortly cylindrical, with ring of deflexed hairs inside; lobes 3 × 1.3 mm, oblong, with scarcely any appendage.
Morphology Reproductive morphology Flowers Gynoecium Style
Style exserted about 2 mm.
Morphology Reproductive morphology Flowers Pollen presenter
Pollen presenter 1 mm long, obconic, obscurely sulcate, truncately 3-lobed at the apex.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 3-locular.
Morphology Reproductive morphology Fruits
Fruit not seen from the Flora Zambesiaca area.
[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
  • Flora of West Tropical Africa

    • Flora of West Tropical Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • 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 2025. 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 2025. 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