Fabaceae
Indigofera

Indigofera secundiflora Poir.

First published in J.B.A.M.de Lamarck, Encycl., Suppl. 3: 148 (1813)
This species is accepted
The native range of this species is Tropical Africa. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

Papilionaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

Morphology General Habit
A grey spreading glandular herb up to 1 ft. high.
[FWTA]

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

Morphology General Habit
Stout erect annual up to 130 cm. tall; stems rather densely covered with white somewhat crisped biramous hairs.
Morphology Leaves
Stipules spreading, subulate-setaceous, up to 6 mm. long; rhachis up to 5 cm. long, including a 10–15 mm. petiole, prolonged up to 3 mm. beyond the lateral leaflets; leaflets 11–15, elliptic, up to 15 mm. long and 7 mm. wide, with short fine ± appressed hairs above and longer stouter hairs beneath.
Morphology Reproductive morphology Inflorescences
Racemes densely many-flowered, up to 8 cm. long, including a peduncle of 2–2.5 cm., the flowers all turned to one side; bracts setose, linear, ± 2 mm. long, caducous; pedicels ± 1 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx setose and with short glandular hairs, ± 4 mm. long; lobes triangular with blackish setaceous tips.
Morphology Reproductive morphology Flowers Corolla
Corolla strigose outside.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens ± 3.5 mm. long.
Morphology Reproductive morphology Fruits
Pods oval-oblong, ± 4 mm. long, 2.4 mm. wide, 2 mm. thick, densely covered with short white biramous hairs as well as erect multicellular hairs, 2-seeded; endocarp spotted, especially at the septa.
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Somalia-Masai anthropic landscapes, Zambezian grassland, Zambezian anthropic landscapes., Sudanian grasslands, Sudanian anthropic landscapes, Somalia-Masai grasslands
Morphology General Habit
Annual, Not climbing, Herb
[ILDIS]

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]

Uses

Use
Forage
[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

  • Flora of West Tropical Africa

    • Flora of West Tropical Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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 2024. 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 2024. 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

  • Kew Science Photographs

    • Copyright applied to individual images