Bolusanthus

Bolusanthus speciosus (Bolus) Harms

First published in Repert. Spec. Nov. Regni Veg. 2: 15 (1906)
This species is accepted
The native range of this species is S. Tropical & S. Africa. It is a tree and grows primarily in the subtropical biome.

Descriptions

Flora Zambesiaca Leguminosae subfamily Papillionoideae by R.K. Brummitt

Morphology Reproductive morphology Inflorescences
Racemes 10–20 cm long, 16–40-flowered; pedicels (7)10–20(22) mm long; bracteoles c.1 mm, usually not opposite, quickly falling. Racemes 10–20 cm long, 16–40-flowered; pedicels (7)10–20(22) mm long; bracteoles c.1 mm, usually not opposite, quickly falling.
Morphology Reproductive morphology Flowers Corolla
Standard 13–18 × 13–18 mm, claw shallowly channelled; wing and keel petals ± as long as the standard. Standard 13–18 × 13–18 mm, claw shallowly channelled; wing and keel petals ± as long as the standard.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with a gynophore up to 1 mm long. Ovary with a gynophore up to 1 mm long.
Morphology Reproductive morphology Fruits
Pod 6–9 × 0.7–1 cm, narrowly oblong, grey-brown, on a stipe 3–5 mm long at maturity, 3–5-seeded. Pod 6–9 × 0.7–1 cm, narrowly oblong, grey-brown, on a stipe 3–5 mm long at maturity, 3–5-seeded.
Morphology Reproductive morphology Seeds
Seeds 9–10 × 4.5–5 mm, grey-brown. Seeds 9–10 × 4.5–5 mm, grey-brown.
Distribution
Also in South Africa (Limpopo, Mpumalanga and KwaZulu-Natal Provinces) and Swaziland.
Ecology
Widespread at low to medium altitudes, usually in open woodland, often with mopane; up to 1600 m.
Morphology General Habit
Smallish deciduous tree, up to 8(12) m tall, flowering with the young leaves. Smallish deciduous tree, up to 8(12) m tall, flowering with the young leaves.
Morphology General Indumentum
Young branches and inflorescences and very young leaves ± densely appressed-pubescent and often sericeous. Young branches and inflorescences and very young leaves ± densely appressed-pubescent and often sericeous.
Morphology Leaves
Leaves up to 18(22) cm long, (2)3–6(7)-jugate; lateral leaflets up to 7(9) × 2.3(3.5) cm, falcate-lanceolate, asymmetrical at the base, acute at the apex; terminal leaflet narrowly elliptic, symmetrical; all leaflets glabrescent above, usually persistently appressed-pubescent beneath. Leaves up to 18(22) cm long, (2)3–6(7)-jugate; lateral leaflets up to 7(9) × 2.3(3.5) cm, falcate-lanceolate, asymmetrical at the base, acute at the apex; terminal leaflet narrowly elliptic, symmetrical; all leaflets glabrescent above, usually persistently appressed-pubescent beneath.
[FZ]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland, Cultivated
Morphology General Habit
Perennial, Not climbing, Tree
Vernacular
Rhodesian Wisteria Tree, Wild Wisteria
[ILDIS]

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

Morphology General Habit
Slow-growing tree to 12 m.
Morphology Leaves
With falcate-lanceolate leaflets in 3–7 pairs.
Morphology Reproductive morphology Inflorescences
Racemes of blue to purplish (rarely white) flowers; standard 1.3–1.8 cm. long.
Morphology Reproductive morphology Fruits
Pod narrowly oblong, flattened, few-seeded, not or tardily dehiscent, 6–9 cm. long, pubescent.
[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: not threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/168996629/169318212

Conservation
LC - least concern
[IUCN]

Uses

Use
Environmental, Medicine, Wood
[ILDIS]

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

  • 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

  • Kew Science Photographs

    • Copyright applied to individual images

  • 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