Rauvolfia mannii Stapf

First published in Bull. Misc. Inform. Kew 1894: 21 (1894)
This species is accepted
The native range of this species is Nigeria to Uganda. It is a shrub or tree and grows primarily in the wet tropical biome.

Descriptions

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

Morphology General Habit
Understorey shrub or small tree, 0·30–8 m. high.
Morphology Trunk
Trunk 0·5–1 cm. in diam. or more.
Morphology General Bark
Bark scaly, peeling off, greenish- to grey-brown, lenticellate.
Morphology Branches
Branches brown; branchlets medium green.
Morphology Leaves
Leaves verticillate, 3–6 together, on some nodes opposite; petiole 1–27 mm. long, glabrous; lamina 2·5–28 x 0·7–10·5 cm., narrowly ovate to narrowly obovate, acuminate at the apex (acumen 2–35 mm. long), cuneate at the base, papery to subcoriaceous, glossy, glabrous, with 6–19 secondary veins on each side of the midrib.
Morphology Reproductive morphology Inflorescences
Inflorescences few- to many-flowered; peduncle 0·2–6 cm. long, glabrous.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 1–8 mm. long, glabrous.
Morphology Reproductive morphology Flowers Calyx
Sepals 0·6–2·8 mm. long, triangular, glabrous.
Morphology Reproductive morphology Flowers Corolla
Corolla hypocrateriform; tube white, yellowish- or greenish-white, often with longitudinal pink or red stripes, 2·5–10·5 mm. long, inside pubescent from 1·5–7·5 mm. from the base to (or almost) to the apex; lobes white to pink, 0·8–3·6 mm. long, ovate to obovate, glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted 2–8 mm. above the base of the corolla-tube; filaments 0·2–0·6 mm. long; anthers 0·8–1·5 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Pistil 1·8–6·5 mm. long; carpels 0·8–2 mm. long, glabrous; disk ring-shaped, 0·4–0·8 mm. high, glabrous; style 0·8–6 mm. long, glabrous; clavuncula 0·3–1 mm. long, often pubescent; stigma 0·1–0·6 mm. long, glabrous.
Morphology Reproductive morphology Fruits
Fruits red, often laterally compressed; when apocarpous one or both carpels developing; carpels ovoid to obovoid and 5–12 x 4–7 x 3–6 mm.; when syncarpous obcordate and 5–11 x 4–15 x 3–7 mm.
Morphology Reproductive morphology Seeds
Seeds 4–11 x 3–6 x 2–5 mm.
[FZ]

Apocynaceae, H. Huber. Flora of West Tropical Africa 2. 1963

Morphology General Habit
Small shrub or tree 2-30 ft. high
Morphology Reproductive morphology Flowers
Greenish-white and pink flowers
Morphology Reproductive morphology Fruits
Red berries.
[FWTA]

Apocynaceae, E.A. Omino. Flora of Tropical East Africa. 2002

Morphology General Habit
Shrub or small tree, 0.3–8 m high; trunk 0.5–2.5 cm in diameter or more; bark scaly, peeling, greenish to greyish brown, lenticellate; branches brown, lenticellate.
Morphology Leaves
Leaves in whorls of 3–6, opposite on some nodes; petiolate; blade elliptic or slightly obovate, 2.5–28 cm long, 0.7–10.5 cm wide, acuminate or cuspidate at the apex, acumen 2–35 mm long, cuneate at the base, glabrous; with 6–19 pairs of secondary veins; petiole 1–27 mm long, glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence terminal or pseudoaxillary, 3–50-flowered, glabrous in all parts; peduncle 0.2–6 cm long; pedicels 1–8 mm long.
Morphology Reproductive morphology Flowers
Flowers white, lobes pale pink, finely speckled dark red along mid vein; sepals ovate–elliptic, 0.6–2.8 mm long, glabrous; corolla hypocrateriform; tube 2.5–10.5 mm long, glabrous outside; lobes ovate to broadly ovate, dolabriform, often curved to the left, 0.8–3.6 mm long, 0.6–2.4 mm wide, obtuse to rounded at the apex; stamens inserted 2–8 mm from the corolla base; disk cupular, 0.4–0.8 mm high; pistil 1.8–6.5 mm long; ovary globose to ellipsoid; style 0.8–6 mm long; pistil head 0.3–1.2 mm long.
Morphology Reproductive morphology Fruits
Fruits red or purple-black, often laterally compressed, when apocarpous usually one carpel developing, ovoid to almost ellipsoid, 5–12 mm long, 4–7 mm in diameter; when syncapous obcordate, 5–11 mm long, 4–14 mm wide; seeds 4–11 mm long.
Habitat
Moist forest; 300–2250 m
Distribution
K4 K7 T2 T3 T6 T7 T8 U2
[FTEA]

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/144310524/149042346

Conservation
LC - least concern
[IUCN]

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 Tropical East Africa

    • Flora of Tropical East Africa
    • 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 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