Fabaceae
Brachystegia

Brachystegia michelmorei Hoyle

First published in Kew Bull. 54: 156 (1999)
This species is accepted
The native range of this species is Zambia. It is a tree 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: threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/135630909/135630913

Conservation
LC - least concern
[IUCN]

Leguminosae, R.K. Brummitt, A.C. Chikuni, J.M. Lock and R.M. Polhill. Flora Zambesiaca 3:2. 2007

Morphology General Habit
Stems 10–45 cm tall from a woody rootstock.
Morphology Leaves
Leaves 3–15 cm long; rachis deeply canaliculate with raised winged margins; leaflets in 17–36 pairs, contiguous to overlapping, progressively decreasing in size distally, the proximal leaflet pairs 1.5–2.5 times larger than the distal ones, 10–30 × 1.5–8 mm, linear-falcate, narrowly triangular or oblong, obtuse or retuse at the apex, obliquely rounded to truncate or subcordate at the base, glabrous or pubescent; midveins subcentral, with 3–5 secondary veins diverging from the proximal leaflet base.
Morphology Leaves Stipules
Stipules caducous, 10–20 × 2–4 mm, shortly connate at the base, linear, falcate, sometimes subfoliaceous, auricles 1–5 × 0.5–3 mm, reniform, digitate, pubescent.
Morphology General Buds
Dormant axillary buds much flattened.
Morphology Reproductive morphology Inflorescences
Inflorescences of terminal simple racemes up to 6 cm long; bracteoles 6–8 × 3–6 mm, orbicular to obovate.
Morphology Reproductive morphology Flowers
Flowers 3–7 × 3–5 mm; pedicels 1–3 mm long.
Morphology Reproductive morphology Flowers Calyx
Sepals 5, 2–2.5 × 0.5–2 mm, narrowly oblong, lanceolate, obovate to elliptic, imbricate, margins densely ciliate.
Morphology Reproductive morphology Flowers Corolla
Petals 1–5, up to 6 × 1.5 mm, linear to spathulate.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10–12, united to 1–2 mm at the base; filaments 8–13 mm long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 3–4 × 1–1.5 mm, densely pubescent, up to 5-ovulate, stipe 1.5–2.5 mm long; style 8–10 mm long.
Morphology Reproductive morphology Fruits
Pods up to 6 × 3 cm; ventral flanges suberect.
Morphology Reproductive morphology Seeds
Seeds not seen.
[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

  • 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

  • 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