Red-bark Acacia or Red Thorn or False Umbrella Tree or False Umbrella Thorn * Basterhaak-en-steek of Rooihak of Swartbas * Vachellia Reficiens
By Ragnhild&Neil Crawford from Sweden - acacia reficiens-1549, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=75656998
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Sources:
(*) https://en.wikipedia.org/wiki/Vachellia_reficiens