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Marsh Arrowgrass (Triglochin palustris)

Description

“Pet poisonous” – Toxic parts: Leaves Triglochin palustris or marsh arrowgrass is a species of flowering plant in the arrowgrass family Juncaginaceae. It is found in damp grassland usually on calcareous soils, fens and meadows. The species epithet palustris is Latin for "of the marsh" and indicates its common habitat. It has a circumboreal distribution, occurring throughout northern parts of the Northern Hemisphere. It can be found locally in the British Isles especially the north. It is a slender perennial herb 15 to 40cm tall. It has no stolons, and emits a pleasant aromatic smell when bruised. The leaves are linear, 10 to 20 cm long, rounded on the lower side, deeply grooved on the other. It has many 3 petalled flowers arranged in a long spike, with purple edged perianth segments, 2mm long. It flowers from June until August. The fruits are club shaped, 10mm long and 2mm wide.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum: Magnoliophyta

        • Class: Liliopsida

          • Order: Alismatales

            • Family: Juncaginaceae

              • Genus: Triglochin