Cypripedium parviflorum var. makasin (Small Yellow Lady's Slipper) - photos and description












General: Leafy plants with an upright growth habit, often found in clumps of many stems. Plants pubescent.

Flowers: Flowers solitary on long peduncles. They are showy, yellow, with a pouch-like lower lip. Flowers with a slight fragrance. Two lateral petals are twisted, and dark brown in colour. One sepal grows above the lip, and two sepals under the lip are united together.

Leaves: Leaves are alternate, oval to elliptical, clasp the stem somewhat; leaf highlighted in photo above was 9 cm long and 2.5 cm wide. leaf margins hairy and also hairy on undersides along the nerves.

Height: Height listed in Budd's Flora to 40 cm, we've measured plants to 35 cm tall.

Habitat: Adapted to a range of habitat, from moist grassland meadows in the eastern Parklands in Saskatchewan to coniferous bogs in our boreal forest

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

Origin: Native.

Similar plants: Distinguished from Large Yellow Lady's Slipper (Cypripedium parviflorum var. pubescens) chiefly by the size of the lower lip, which in Large Yellow Lady's Slipper is > 30 mm in length, and less than 30 mm for Small Yellow Lady's Slipper. The lateral petals in Large Yellow Lady's Slipper in general are lighter in colour, yellowish-green streaked with brown, and not the dark brown colour usually found in Small Yellow Lady's Slipper.

When and where photographed: Photos taken June 18th wet meadow on edge of tree line in east central Saskatchewan, and June 28th in mossy, wet spruce forest in central Saskatchewan.