SafePlants

Marsh Arrowgrass (Triglochin palustris)

Triglochin palustris, commonly known as Marsh Arrowgrass, is a flowering plant belonging to the arrowgrass family.

Considerations for Pets

• The text mentions that Marsh Arrowgrass has slender spike-like racemes and is found in marshy areas.

Taxonomy and Nomenclature

• Scientific Name: Triglochin palustris L.
• Common Names: Marsh Arrowgrass, Slender Bog Arrow-grass, Marsh Arrow-grass
• Family: Juncaginaceae (Arrowgrass Family)
• Synonym: Triglochin palustre
• Rank: Species

Distribution and Habitat

• Triglochin palustris is a subcosmopolitan, circumboreal species.
• It is found in the temperate northern zone of Europe, Asia, and North America.
• It typically grows in damp grassland, bog edges, and calcareous sedge meadows. It can grow in saline conditions.
• It is found sporadically across Canada in damp brackish or calcareous places.
• Also found in Ireland.

Morphological Characteristics and Growth Habits

• It is a perennial plant, growing to a height of up to 0.5 meters (1ft 8in) or up to 60 cm.
• It has a tufted, erect growth habit.
• The leaves are deeply grooved at the base, only 2 mm wide, with a short, fairly blunt ligule.
• The flowers are small (2 to 3 mm long) and arranged in long, slender spikes.
• It flowers from June to August.
• It has rhizomes.

Ecological Role

• Marsh Arrowgrass can grow in saline conditions but doesn't tolerate salt as much as sea arrowgrass.

Interactions with Other Organisms

• Triglochin palustris is a food source for certain moths, including Gynnidomorpha vectisana.

Further Information

• Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Triglochin palustris.
• CalPhotos provides photos of Triglochin palustris.
• Ontario Wildflowers provides photos and information about Triglochin palustris.
• APHOTOFLORA - Photographic Stock Library has images of Triglochin palustris.