Ontario Wildflowers website

Seaside Arrowgrass
Triglochin maritima
(formerly Triglochin maritimum)

Seaside Arrowgrass (Triglochin maritima) Other common names: Common Bog Arrowgrass, Seaside Arrow Grass, Spikegrass

Other scientific names: Triglochin maritimum, Triglochin elata

French names: Troscart maritime

Family: Arrow-grass Family (Juncaginaceae)

Distinctive features: Six carpels.

Similar species:
  •   Marsh Arrowgrass (Triglochin palustris) - Overall a smaller plant, flowers more sparse, 3 stigmas, 3 carpels.

Flowers: Summer;  Red/Pink;  Indistinguishable parts (petals)

Habitat: Wet Areas

Native/Non-native: Native

Origin and Meaning of Names:
 Scientific Name: maritima: of the seashore

Photographs: 95 photographs available, of which 7 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Seaside Arrowgrass (Triglochin maritima)

Seaside Arrowgrass has tiny flowers arranged along a tall upright stem.

Seaside Arrowgrass (Triglochin maritima)

Closeup view of the flowers.

Seaside Arrowgrass (Triglochin maritima)

Seaside Arrowgrass (Triglochin maritima)

Seaside Arrowgrass (Triglochin maritima)

An entire Seaside Arrowgrass plant in a wetland.

Seaside Arrowgrass (Triglochin maritima)

Seaside Arrowgrass in its preferred fen/bog habitat.

Seaside Arrowgrass (Triglochin maritima)

Seeds ripening.

Range map for Seaside Arrowgrass (Triglochin maritima)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)