Liparis loeselii (Yellow Twayblade) - photos and description

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii
15 cm ruler for scale

Liparis loeselii

Liparis loeselii

Liparis loeselii

Liparis loeselii

General: Small orchid with a single flowering stem growing between two opposite, basal leaves. Plant is glabrous.

Flowers: Yellow flowers in a loose raceme, racemes measured to 7 cm long, flowers measured to 10 mm wide, lip 5 mm long. The lateral petals filiform, curved.

Leaves: Plants have two opposite, basal leaves. Leaves are elliptical to ovate, we measured a leaf at 7 cm long and 2 cm wide (not flattened out).

Height: Height listed in Budd's Flora to 20 cm. We measured plants to 19 cm tall.

Habitat: Open fens and bogs in the parklands and boreal forest. 

Abundance: Very rare, ranked as an S1 (as of 2019) by the Saskatchewan Conservation Data Centre.

Origin: Native.

When and where photographed: Above photos were taken July 1st through 4th in a calcareous, lakeshore fen about 65 km south east of our home in Regina, SK, and in a forest fen, Duck Mountain Provincial Park, 300 km north east of our home in Regina, SK.