Tephrosia radicans Welw. ex Baker

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 2: 121 (1871)
This species is accepted
The native range of this species is Nigeria, Tanzania to Namibia. 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]

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

Morphology General Habit
Perennial herb with a stout woody taproot; stems prostrate, often forming a mat; hairs spreading, up to 1.5 mm. long.
Morphology Leaves
Leaf-rhachis up to 4.5 cm. long, including a petiole of 3–12 mm., usually not prolonged beyond lateral leaflets; stipules ovate-lanceolate, up to 5 by 3 mm.; leaflets 5–11, cuneate-elliptic or cuneate-obovate, up to 26 by 17 mm., rounded or truncate at the tip, apiculate, glabrous or very sparsely pilose above, pilose beneath; chief nerves ± 7 on each side.
Morphology Reproductive morphology Flowers
Flowers pinkish-purple in short lax pseudoracemes and sometimes in upper leaf-axils; bracts persistent, ovate-acuminate or lanceolate, ± 3 mm. long; pedicels up to 8 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx white pubescent; tube ± 3 mm. long; teeth acuminate, 4–5 mm. long, the upper pair half united.
Morphology Reproductive morphology Flowers Corolla
Standard white pubescent, ± 9 by 9 mm.; keel glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens
Upper filament free, somewhat widened, but not callous or bent, just above the base; filament-sheath ± 8 mm., free parts 3–5 mm., anthers 0.8 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Style
Style pubescent, bent through 80° near the base, ± 7 mm. long.
Morphology Reproductive morphology Fruits
Pod white pubescent, perhaps indehiscent, 10–20 by 6 mm., the beak ± central, down-curved.
Morphology Reproductive morphology Seeds
Seeds 1–5, oblong-elliptic, longitudinal, ± 5 by 3 by 1.5 mm.; hilum almost central, the aril minute.
Habitat
Grassland, especially on sand; 1200–1800 m.; rainfall 600–900 mm.
Distribution
T2 T4 T5 T7
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian grassland, Sudanian grasslands
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

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

Morphology General Habit
An annual herb with prostrate branches 1–3 ft. long
Morphology Reproductive morphology Flowers
Flowers pink
Ecology
On rocks and bare soil.
[FWTA]

Flora Zambesiaca Leguminosae subfamily Papillionoideae by R.K. Brummitt

Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary whitish pubescent; style pubescent.
Morphology Reproductive morphology Fruits
Pod (7)12–22 × 6–8 mm, oblong, shortly pubescent, or glabrescent at maturity. Pod (7)12–22 × 6–8 mm, oblong, shortly pubescent, or glabrescent at maturity.
Morphology Reproductive morphology Seeds
Seeds (1)2–4(5), 3–4 mm long, reniform to suborbicular-lenticular, greyish- or reddish-brown. Seeds (1)2–4(5), 3–4 mm long, reniform to suborbicular-lenticular, greyish- or reddish-brown.
Distribution
Also in Nigeria, Congo, Tanzania, Angola, Namibia and South Africa (Limpopo and Mpumalanga Provinces).
Ecology
Open ground and grassy places, particularly on sandy soil, often a weed of roadsides or disturbed ground; 450–1700 m.
Morphology General Habit
Perennial, with numerous prostrate branches up to 160 cm long, the older parts often woody, arising from a woody vertical rootstock, the whole usually forming a dense mat. Perennial, with numerous prostrate branches up to 160 cm long, the older parts often woody, arising from a woody vertical rootstock, the whole usually forming a dense mat.
Morphology Stem
Stems usually conspicuously spreading-pubescent. Stems usually conspicuously spreading-pubescent.
Morphology Leaves
Leaves pinnate with (2)3–4(5) pairs of leaflets; rachis and petiole together up to 3.5(5) cm long, the petiole up to 1.3(1.7) cm long, rather conspicuously spreading-pubescent; leaflets up to 22(33) × 12(17) mm, often becoming smaller towards the leaf base, obovate to obtriangular, rounded to truncate or emarginate at the apex, cuneate at the base, the upper surface glabrous, the lower surface appressed-pubescent; stipules 3–5(6) × 2–3 mm, ovate-acuminate to lanceolate. Leaves pinnate with (2)3–4(5) pairs of leaflets; rachis and petiole together up to 3.5(5) cm long, the petiole up to 1.3(1.7) cm long, rather conspicuously spreading-pubescent; leaflets up to 22(33) × 12(17) mm, often becoming smaller towards the leaf base, obovate to obtriangular, rounded to truncate or emarginate at the apex, cuneate at the base, the upper surface glabrous, the lower surface appressed-pubescent; stipules 3–5(6) × 2–3 mm, ovate-acuminate to lanceolate.
Morphology Reproductive morphology Flowers
Flowers in terminal racemes up to 5(7) cm long, subsessile or with a peduncle up to 4 cm, rarely the lowermost flower in the axil of a foliage leaf; bracts ovate-lanceolate; pedicels (3)4–7(8) mm long. Flowers in terminal racemes up to 5(7) cm long, subsessile or with a peduncle up to 4 cm, rarely the lowermost flower in the axil of a foliage leaf; bracts ovate-lanceolate; pedicels (3)4–7(8) mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx 4–6 mm long, appressed or spreading-pubescent, teeth about equalling the tube or the lower one somewhat longer, the two upper ones joined for about ½–¾ their length. Calyx 4–6 mm long, appressed or spreading-pubescent, teeth about equalling the tube or the lower one somewhat longer, the two upper ones joined for about ½–¾ their length.
Morphology Reproductive morphology Flowers Corolla
Petals (7)10–14 mm long, mauve or pink; standard broadly rounded, cuneate or truncate at the base. Petals (7)10–14 mm long, mauve or pink; standard broadly rounded, cuneate or truncate at the base.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamen tube open above, the upper stamen free. Stamen tube open above, the upper stamen free.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary whitish pubescent; style pubescent.
[FZ]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • 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 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