Fabaceae
Indigofera

Indigofera conjugata Baker

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 2: 75 (1871)
This species is accepted
The native range of this species is Tropical Africa. It is a perennial 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: not threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/19892278/20082665

Conservation
LC - least concern
[IUCN]

Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Perennial herb with a stout woody rootstock; stems appressed strigulose, procumbent, erect or spreading, up to 50 cm. long.
Morphology Leaves
Lower leaves (which are those most often seen) 1–3-foliolate, upper up to 8-foliolate; stipules narrowly triangular-subulate, up to 8 mm. long; rhachis broad, channelled above, up to 4 cm. long, including a petiole of up to 1 cm., prolonged up to 8 mm. beyond the lateral leaflets; leaflets always alternate, cuneate-elliptic or narrowly oblong, up to 6 cm. long and 12 mm. wide, strigulose beneath, minutely black-spotted and glabrous above, except at the margins which are strigulose.
Morphology Reproductive morphology Inflorescences
Racemes many-flowered, up to 12 cm. long in fruit, including a peduncle of 0.5–2 cm.; bracts lanceolate, strigulose, deciduous.
Morphology Reproductive morphology Flowers Calyx
Calyx strigulose, divided almost to the base, ± 4 mm. long.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3–4 mm. long.
Morphology Reproductive morphology Fruits
Pods straight, faintly tetragonal, brown, 12–20 mm. long, ± 2 mm. wide and 1.3 mm. thick, strigulose, 5–8-seeded; endocarp faintly spotted.
Habitat
Short grassland, roadsides, cultivated areas and Combretum, etc. wooded grassland; 800–1800 m.; rainfall 1100–1900 mm.
Distribution
Guinée to Sudan, Congo, Burundi, Angola K3 K5 T1 T4 U1 U2 U3 U4
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Sudanian grasslands, Sudanian anthropic landscapes, Sudanian wooded grassland, Sudanian woodland
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

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

  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • 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