Fabaceae
Macrotyloma

Macrotyloma dewildemanianum (R.Wilczek) Verdc.

First published in Kew Bull. 24: 403 (1970)
This species is accepted
The native range of this species is Tanzania to Zambia. It grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Erect perennial herb, 7–50 cm. tall, from a stout woody rootstock.
Morphology Stem
Stems several, covered with ± adpressed white hairs.
Morphology Leaves
Leaflets 3, mostly paler beneath, the laterals slightly oblique, elliptic or elliptic-oblong, 1·3–8·5 cm. long, 0·5–2·8 cm. wide, rounded to subacute and mucronulate at the apex, rounded at the base, pubescent above, densely greyish-silvery adpressed pilose beneath; petiole 0·5–7 cm. long; rhachis 1–3 mm. long; petiolules 1–3 mm. long; stipules conspicuous, persistent, oblong or ovate-lanceolate, 6–12 mm. long, 2·5–4 mm. wide, prominently nerved.
Morphology Reproductive morphology Flowers
Flowers 1–4 in axillary fascicles; peduncle obsolete; pedicels 2–4 mm. long; bracts elliptic, 1·5–2 mm. long; bracteoles ovate to linear-oblong, 2–3 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx pubescent; tube 2–4 mm. long; lobes triangular, 2–3·5 mm. long, the upper pair joined almost completely to the apex.
Morphology Reproductive morphology Flowers Corolla
Standard yellow, elliptic, 1·2–2·3 cm. long, 0·8–1·2 cm. wide.
Morphology Reproductive morphology Fruits
Pods linear, compressed, 4–7 cm. long, 5–5·5 mm. wide, beaked, conspicuously margined, glabrous.
Morphology Reproductive morphology Seeds
Seeds not seen.
Habitat
Upland grassland, bushland; 1600–1850 m.
Distribution
T7 T8
[FTEA]

Leguminosae, B. Mackinder, R. Pasquet, R. Polhill and B. Verdcourt. Flora Zambesiaca 3:5. 2001

Morphology General Habit
Erect herb up to 50 cm tall, from a perennial woody rootstock.
Morphology Stem
Stems annual, spreading pubescent.
Morphology Leaves
Leaves 3-foliolate; leaflets 1.6–5.5 × 0.5–2.2 cm, narrowly elliptic, rounded to subacute at the apex, apiculate, pubescent on upper surface, densely silvery appressed pilose beneath, hence appearing paler beneath; petiole 1.2–5.8 cm long; rhachis 1–3 mm long; petiolules 1–3 mm long; stipules 5–10 mm long, oblong, ovate or lanceolate, striate; stipels 1–2 mm long, filiform.
Morphology Reproductive morphology Flowers
Flowers axillary, solitary, in pairs or in 2–4-flowered fascicles; pedicels 2–4 mm long; bracts 1–2 mm long; bracteoles 2–3 mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx pubescent; tube 2–4 mm long; lobes 2–4 mm long, triangular, the upper pair fused along almost all of their length.
Morphology Reproductive morphology Flowers Corolla
Standard yellow, 12–20 × 8–10 mm, elliptic to broadly elliptic; wings 12–18 × 2–3 mm; keel 12–18 × 3–5 mm.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 7–8 mm long.
Morphology Reproductive morphology Fruits
Pods 5.2–7 cm × 4–6 mm, linear, compressed, glabrous, 6–8-seeded.
Morphology Reproductive morphology Seeds
Seeds reddish-brown, 5 × 2 × 1 mm; hilum white, linear, subcentral.
[FZ]

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]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian bushland and thicket, Zambezian grassland, Afromontane(upland) bushland and thicket., Afromontane grassland
Morphology General Habit
Perennial, Not climbing, Herb
[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/

  • 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