Rubiaceae
Coffea

Coffea mongensis Bridson

First published in Kew Bull. 36: 829 (1982)
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

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/35426/2859282

Conservation
EN - endangered
[IUCN]

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 3 m. tall; young branches covered with maroon bark which flakes and becomes paler with age.
Morphology Leaves
Leaf-blades obovate or sometimes broadly elliptic, 4.6–12.5 cm. long, 1.8–6.6 cm. wide, obtuse or occasionally rounded at apex, acute to cuneate or rarely obtuse at base, coriaceous, slightly shiny above; lateral and tertiary nerves raised on both faces; domatia glabrous or rarely ciliate; petiole 0.4–1 cm. long; stipules triangular-ovate, 2–3 mm. long, obtuse.
Morphology Reproductive morphology Flowers
Flowers 5-merous, 1–3 per axil, borne singly or in fascicles; inflorescence-branches up to 5 mm. long, not totally obscured by bracteoles; peduncle up to 1 mm. long; upper bracteoles up to 1.5 mm. long, lower bracteoles slightly shorter, not lobed, puberulous.
Morphology Reproductive morphology Flowers Calyx
Calyx-limb reduced to a rim.
Morphology Reproductive morphology Flowers Corolla
Corolla-tube 3.25 mm. long, 2.5 mm. wide at throat; lobes narrowly oblong, 7 mm. long, 1.5–2 mm. wide, obtuse.
Morphology Reproductive morphology Fruits
Fruit 1.3–2 cm. long, 0.7–1 cm. wide, slightly narrowed towards base; disc surrounded by corky calyx-rim; inflorescence-stalks lengthening to 5–7 mm.
Morphology Reproductive morphology Seeds
Seeds brownish-olive, 1.2–1.3 cm. long, 0.6 cm. wide; testa loosely attached, with very fine striations.
Habitat
Forest; 1150–1400 m.
Distribution
T3 T6 not known 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/

  • 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