Rubiaceae
Pavetta

Pavetta manyanguensis Bridson

First published in Kew Bull. 32: 614 (1978)
This species is accepted
The native range of this species is Tanzania (Nguru Mountains). It is a shrub or tree and grows primarily in the seasonally dry tropical 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: threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/35449/9933627

Conservation
VU - vulnerable
[IUCN]

Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

Morphology General Habit
Shrub or small tree; young branches glabrous, not becoming corky, angled and grooved in dry material.
Morphology Leaves
Leaf-blades lanceolate or oblong-elliptic, 15–24 cm. long, 4.3–9.4 cm., wide, apex acute to acuminate, base cuneate, tending to be coriaceous, moderately shiny above, glabrous save for the puberulous prominent midrib beneath; bacterial nodules dot-like, elliptic or linear, scattered, few to several; petiole 1.6–4 cm. long, ± puberulous below, glabrous above; stipule-limb truncate, 5–7 mm. long, glabrous outside; arista 3–7 mm. long.
Morphology Reproductive morphology Inflorescences
Corymbs terminal on leafy branches, ± crowded, up to 4.7 cm. across; primary inflorescence-branches 4–6 mm. long (or up to 1.8 cm. long in fruit), puberulous; secondary and tertiary branches present; pedicels 0–3 mm. long, puberulous; bracts stipule-like; bracteoles drying brown, scale-like, conspicuous.
Morphology Reproductive morphology Flowers Calyx
Calyx-tube 1 mm. long, puberulous; limb drying paler than tube; limb-tube 1 mm. long, distinctly wider than the tube, puberulous; lobes ovate, 1–1.25 mm. long, 1–1.5 mm. wide at base, apiculate, sparsely puberulous.
Morphology Reproductive morphology Flowers Corolla
Corolla-tube 1.2–1.4 cm. long, 1 mm. wide at top, glabrous outside, not bearded at throat; lobes oblong, 6 mm. long, 1.5 mm. wide, shortly apiculate.
Morphology Reproductive morphology Fruits
Fruit black, 7 mm. in diameter, not shiny, glabrous; calyx-limb persistent.
Morphology Reproductive morphology Seeds
Mature seeds not known.
Figures
Fig. 106/2.
Habitat
Forest; 1800 m.
Distribution
T6 known only from the Nguru Mts.
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East 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