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Madwort (Hormathophylla spinosa)

Description

Alyssum spinosum, now Hormathophylla spinosa (spiny madwort) is a species of flowering subshrub in the genus Alyssum of the family Brassicaceae, native to open rocky sites in south-eastern France and southern Spain. It forms a compact mound up to 30 cm in height. Dense spiny branches of tiny, toothed grey-green leaves bear racemes of white flowers at the tips in early summer.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Magnoliopsida

          • Order: Brassicales

            • Family: Brassicaceae

              • Genus: Hormathophylla