Rubiaceae
Coffea

Coffea fadenii Bridson

First published in Kew Bull. 36: 827 (1982)
This species is accepted
The native range of this species is Kenya (Teita Hills), Tanzania (E. Usambara Mountains). It is a tree and grows primarily in the wet tropical biome.

Descriptions

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

Morphology General Habit
Small tree 5–15 m. tall; young branches rather thick, glabrous, covered with brownish bark.
Morphology Leaves
Leaf-blades broadly elliptic to round, 6–10.8 cm. long, 4–7 cm. wide, rounded to obtuse at apex, acute to obtuse at base, moderately shiny, with lateral and tertiary nerves raised on both faces; domatia glabrous to sparsely hairy; petiole 0.6–1 cm. long; stipules triangular-ovate, 3–4 mm. long, obtuse or sometimes acute.
Morphology Reproductive morphology Flowers
Flowers 5-merous, 1–2(–3) per axil or rarely cauliflorous, borne singly; inflorescence-stalks up to 3 mm. long, obscured by bracteoles; bracteoles 2, the lower one usually larger than the upper one and somewhat lobed.
Morphology Reproductive morphology Flowers Calyx
Calyx-limb reduced to a rim.
Morphology Reproductive morphology Flowers Corolla
Corolla-tube 3 mm. long, 3 mm. wide at throat; lobes 9 mm. long, 3 mm. wide, rounded.
Morphology Reproductive morphology Fruits
Fruit 1.6–2.2 cm. long, 0.8–1 cm. wide, slightly narrowed toward base; disc not markedly prominent; inflorescence-stalks lengthening to 6–9 mm.
Morphology Reproductive morphology Seeds
Seeds light brown, 1 cm. long, 0.7 cm. wide.
Figures
Fig. 122.
Habitat
Mist or montane evergreen forest; 1440–1750 m.
Distribution
K7 endemic to Teita Hills
[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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/34452/2852815

Conservation
EN - endangered
[IUCN]

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