Pedicularis macrodonta (Swamp Lousewort) - photos and description





General: Upright annual or biennial with a branching growth habit. Plants glabrous.

Flowers: Flowers grow in leaf axils and a loose raceme at stem tips, magenta in colour measured to 12 mm long, irregular, upper lip hooded, lower lip ciliate fringed.

Leaves: Leaves cauline, lanceolate, alternate, divided to midrib, leaf highlighted in photo measured at 4 cm long and 1.5 cm wide.

Height: Height listed in Budd's Flora to 50 cm tall, we measured plants to 62 cm tall.

Habitat: Fens and bogs in the boreal forest, growing in sphagnum moss.

Abundance: Very rare, ranked as an S2 (as of 2019) by the Saskatchewan Conservation Data Centre.

Origin: Native.

Synonym: Listed in some of the field guides we use as Pecicularis parviflora.

When and where photographed: Photos taken July 5th in a pitcher plant bog in the Nisbet Forest, about 350 km north of our home in Regina, Saskatchewan.