Vachellia

Vachellia exuvialis (I.Verd.) Kyal. & Boatwr.

First published in Bot. J. Linn. Soc. 172: 512 (2013)
This species is accepted
The native range of this species is SE. Zimbabwe to E. Northern Prov. It is a shrub or tree and grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/147099631/147099666

Conservation
LC - least concern
[IUCN]

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 woodland
Morphology General Habit
Perennial, Not climbing, Shrub/Tree
[ILDIS]

Leguminosae, J.P.M. Brenan. Flora Zambesiaca 3:1. 1970

Morphology General Habit
Small tree, or sometimes a shrub, 1·5-5 m. high; bark peeling on the stems; young branchlets with some scattered inconspicuous dark sessile glands, otherwise glabrous.
Morphology Leaves Stipules
Stipules spinescent, up to 6 cm. long, whitish, sometimes ± deflexed; “ant-galls” and other prickles absent.
Morphology Leaves
Leaves with a small sessile to shortly stipitate gland at the junction of each of the 1-6 pairs of pinnae; petiole and rhachides otherwise eglandular or only with a few small scattered inconspicuous glands; leaflets 3-6 pairs, 3-10 x 1·5-4·5 mm., glabrous, entire, eglandular or almost so, ± spinulose-mucronate at the apex; lateral nerves invisible beneath.
Morphology Reproductive morphology Flowers
Flowers golden-yellow, in axillary pedunculate heads 7-10 mm. in diam. scattered along shoots of the current or previous season; involucel 2/3-5/6-way up the peduncle, 2·5-4 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx 1·5-2 mm. long, glabrous or subglabrous.
Morphology Reproductive morphology Flowers Corolla
Corolla 2·5 mm. long, glabrous outside.
Morphology Reproductive morphology Fruits
Pods dehiscent, 2-3·5 x 0·6-0·8 cm., falcate, ± constricted (sometimes only slightly) between the seeds, eglandular or almost so.
Morphology Reproductive morphology Seeds
Seeds olive-green to olive-brown, c. 6-7 x 4·5-6 mm., elliptic, compressed; areole 3-4 x 2·5-3 mm.
[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

  • 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

  • Wood Anatomy Microscope Slides

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by-nc-sa/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