Tephrosia iringae Baker f.

First published in J. Bot. 76: 21 (1938)
This species is accepted
The native range of this species is Tanzania. It grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

Conservation
Insufficiently known
Ecology
Africa: Afromontane grassland
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[ILDIS]

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

Morphology General Habit
Stems minutely appressed pubescent, up to 40 cm. tall from a woody perennial rootstock.
Morphology Leaves
Leaf-rhachis up to 7 cm. long, including a petiole of up to 13 mm., not or hardly prolonged beyond lateral leaflets; stipules narrowly oblong-attenuate, up to 5 mm. long; leaflets 5–15, thickened at the margins, narrowly linear-lanceolate or oblanceolate, pointed and recurved at the tip, up to 5 cm. long by 5 mm. wide, glabrous above, appressed strigulose beneath; veins very dense and prominent above and beneath, uniting to make a fairly strong marginal vein; terminal leaflets usually smaller than those near middle of leaf.
Morphology Reproductive morphology Flowers
Flowers purple, up to 6 per node, in short terminal or axillary pseudoracemes, also in upper leaf-axils; bracts lanceolate, caducous; pedicels up to 10 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx reddish-brown, appressed silky; teeth triangular, acuminate, upper pair over half united, ± 2.5 mm. long, lateral 2.5 mm., lowest ± 3 mm. long.
Morphology Reproductive morphology Flowers Corolla
Standard golden-brown silky outside, ±16 mm. long by 17 mm. wide but variable in size; keel glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens
Upper filament lightly attached, a large callous swelling 1 mm. above the base; filament-sheath ± 9 mm., free parts 2–3 mm., anthers 1 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Style
Style sharply bent through 110° 2 mm. above the base, linear, tapering near the apex, 7 mm. long, pubescent on both sides.
Morphology Reproductive morphology Fruits
Pod ± 4 cm. long by 5–6 mm. wide, with short white appressed hairs, ascending; style-base straight.
Morphology Reproductive morphology Seeds
Seeds (immature) 4–7.
Habitat
Upland grassland; 1600–1900 m.; rainfall 900–1100 mm.
Distribution
T5 T7 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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/179715/1587813

Conservation
VU - vulnerable
[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

    • 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 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

  • World Checklist of Vascular plants (WCVP)

    • 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