Fabaceae
Humularia

Humularia multifoliolata Verdc.

First published in Kew Bull. 24: 56 (1970)
This species is accepted
The native range of this species is Burundi to Tanzania. It is a shrub and 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 tall willowy shrub presumably several m. in height but exact measurements not known.
Morphology Stem
Stems red, sticky and rough with extremely dense aromatic tubercular-based hairs.
Morphology Leaves
Leaves 26–48-foliolate; leaflets shortly petiolulate, linear-oblong or mostly slightly broader at the base, 0.5–1.8 cm. long, 2–4 mm. wide, obtuse and shortly mucronate at the apex, obliquely slightly emarginate at the base, glabrescent or margins slightly ciliolate, the main nerve somewhat eccentric particularly at the base but not dividing the leaf into distinct parts; petiole 0.7–2 cm. long; stipules soon falling, not seen.
Morphology Reproductive morphology Inflorescences
Inflorescences, in only specimen seen, apparently axillary, paniculate, 15–20 cm. long, composed of shortly pedunculate strobils, 15–20-flowered, 2–5 cm. long; axes of inflorescence with similar indumentum to the stem; pedicels ± 2 mm. long; bracts greenish-pink, 1–1.2 cm. long, 1.3–1.6 cm. wide, shallowly divided at the apex for scarcely one-fifth of the length into 2 rounded lobes, which are densely margined with glandular tubercular-based hairs, a few of which are also scattered on the surface; bracteoles oblong-elliptic, 3 mm. long, 1 mm. wide, with similar hairs.
Morphology Reproductive morphology Flowers Calyx
Calyx 8 mm. long, glabrous.
Morphology Reproductive morphology Flowers Corolla
Standard apricot-yellow, oblong-panduriform, 8.5 mm. long, 5.5 mm. wide.
Morphology Reproductive morphology Fruits
Pods of 1 article, compressed, upper margin straight, lower strongly rounded, 6.5 mm. long, 5 mm. wide.
Morphology Reproductive morphology Seeds
Seeds chestnut-brown, compressed reniform, longest dimension 4 mm., shorter dimension 3.5 mm., 2 mm. thick.
Habitat
Open Uapaca, Parinari, Protea woodland; 1590 m.
Distribution
known only from this one gathering T4
[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]

International Legume Database and Information Service

Conservation
Insufficiently known
Ecology
Africa: Zambezian woodland
Morphology General Habit
Perennial, Not climbing, Shrub
[ILDIS]

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/

  • 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