Pavetta olivaceonigra K.Schum.

First published in Abh. Königl. Akad. Wiss. Berlin 1894: 51 (1894)
This species is accepted
The native range of this species is NE. Tanzania. It is a shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Shrub 2–3.5 m. tall; young branches pubescent; older branches with thin fawn corky bark.
Morphology Leaves
Leaf-blades usually drying blackish, elliptic, rarely narrowly elliptic, 3.3–10.3(–14.5) cm. long, 1.2–4.7(–4.9) cm. wide, apex acute or more usually acuminate, base obtuse to acute, densely pubescent on both faces, lateral nerves usually impressed above; bacterial nodules absent; petiole 0.3–0.8 cm. long, densely covered with patent hairs; stipule-limbs brown, papery, truncate, 1.5–2.5 mm. long, pubescent outside, with fine silky hairs inside; arista usually drying blackish, 3–8 mm. long, pubescent.
Morphology Reproductive morphology Inflorescences
Corymbs terminal on lateral 3.5–11.5 cm. long branches bearing 1–3 pairs of leaves, moderately compact, (1.3–)2–4.5 cm. across; primary inflorescence-branches 0.3–1 cm. long, densely covered with patent hairs; secondary branches present; pedicels 1–3 mm. long, densely covered with patent hairs; bracts stipule-like; bracteoles inconspicuous.
Morphology Reproductive morphology Flowers Calyx
Calyx-tube 1.5–2 mm. long, very densely covered with white or less often rusty patent hairs; limb-tube 0.5–1 mm. long; lobes ± subulate above, wider at base, 5–11 mm. long, 0.75–1 mm. wide at base, covered with patent hairs.
Morphology Reproductive morphology Flowers Corolla
Corolla-tube 1.3–1.6 cm. long, 1.5 mm. wide at top, covered with spreading hairs outside, pubescent inside; lobes oblong, 7–9 mm. long, 1.75–2.5 mm. wide, obtuse, acute or slightly acuminate.
Morphology Reproductive morphology Fruits
Fruit black, 0.9–1.1 cm. in diameter, pubescent.
Morphology Reproductive morphology Seeds
Seed blackish, 5 mm. wide, convex face slightly rugulose.
Figures
Fig. 110.
Habitat
Forest, persisting on cultivated ground; 1350–1850 m.
Distribution
T3 not known elsewhere
[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: threatened. Confidence: confident
[AERP]

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