Rubiaceae
Pavetta

Pavetta mzeleziensis Bridson

First published in Kew Bull. 35: 826 (1981)
This species is accepted
The native range of this species is Tanzania (Uzungwa Mountains). It is a shrub 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]

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

Morphology General Habit
Glabrous shrub to 3 m. tall; older branches covered with fawn shiny bark.
Morphology Leaves
Leaf-blades drying olive-green to blackish, narrowly elliptic to elliptic, 7–18.5 cm. long, 1.5–7 cm. wide, gradually narrowing to a very fine point at apex, cuneate, sometimes tending to be unequal at base, shiny above; bacterial nodules linear along the midrib or sometimes lateral nerves or occasionally elliptic and positioned between the nerves; petiole 0.6–3.7 cm. long; stipule-limbs drying blackish, often with a corky margin, truncate to triangular, 1.5–2.5 mm. long, glabrous outside, with long silky hairs inside; arista 0.8–1.2 cm. long.
Morphology Reproductive morphology Inflorescences
Corymbs terminal on main and lateral leafy branches 10–12 cm. long, lax, 4.5–7 cm. across; primary inflorescence-branches 0.6–2.3 cm. long; secondary and tertiary branches present; pedicels 4–7 mm. long; bracts drying blackish with fawn margin, ± 3 mm. long, apiculate; bracteoles ± conspicuous, brown when dry.
Morphology Reproductive morphology Flowers Calyx
Calyx glabrous, tube 1 mm. long; limb-tube 1–1.5 mm. long, slightly to distinctly wider than tube; lobes subulate, scarcely widening at base, 1.5–2 mm. long, not exceeding 0.25 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Corolla-tube 1.5 cm. long, ± 2 mm. wide at top, glabrous outside and pubescent within; lobes narrowly-oblong, ± 1 cm. long, 2–2.5 mm. wide, acuminate.
Morphology Reproductive morphology Fruits
Fruit black, 1 cm. in diameter, shiny, glabrous; calyx-limb not persistent.
Morphology Reproductive morphology Seeds
Seeds dark grey almost black, 6 mm. wide, rugulose on convex face.
Habitat
Riverine forest; 725–850 m.
Distribution
T6 not known from elsewhere
[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/

  • 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