Lomatogonium rotatum (Marsh Felwort) - photos and description

 

 

 

 

 

General: Slender annual, unbranched or branching above with the branches ascending. Stems glabrouos.

Flowers: The flowers grow on pedicels from the upper leaf axils, the flowers usually  with 5 petals, the petals having greyish-blue stripes. We measured flowers to 1.5 cm in diameter.

Leaves: Leaves are opposite, linear lanceolate, glabrous, we measured a leaf at 30 mm long and 3 mm wide.

Height: Height listed in Budd's Flora to 45 cm, we measured plants to 40 cm tall.

Habitat: Marshes and saline flats.

Abundance: Rare, ranked as an S3 (as of 2019) by the Saskatchewan Conservation Data Centre.

Origin: Native.

When and where photographed: We took the above photos Sept 4th, in a grassy riparian area 40 metres north of a marsh at the Last Mountain Lake National Wildlife Area, about 150 km north of our home in Regina, SK.