Ononis spinosa (NL: Kattendoorn / EN: Spiny Restharrow /DE: Dornige Hauhechel, Weiberkrieg, Eindorn /FR: Bugrane épineuse, Ononis épineux, Arrête-boeuf) is a plant belonging to the family Fabaceae. It is a shrubby plant, with erect or prostrate then ascending hairy stems, with stolons or trailing shoots, with numerous branches, downy, and bearing long spines, smooth or gummy. The solitary rose-coloured and white flowers are borne in the axils or in pairs, either stalkless or shortly stalked. The standard is streaked with red. The corolla exceeds the calyx, the keel and wings being equal. The pods are less than the calyx in length, downy, with seeds with raised points. The flower is similar to that of Lotus. It has the piston-mechanism. The alae or wings on which the bees alight act as levers to depress the carina or keel, and fold over its upper part, being united by two projections, directed downwards and upwards, which fit into deep grooves.
Image: Kampenhout (BE) – 30/06/2012
© Johan Dierckx
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