Spiranthes romanzoffiana (Hooded Lady's Tresses) - photos and description

Spiranthes romanzoffiana

Spiranthes romanzoffiana
15 cm ruler for scale

Spiranthes romanzoffiana

Spiranthes romanzoffiana
Often found with a less dense flower spike

Spiranthes romanzoffiana

General: Late blooming orchid with a single, simple stem. Plant glabrous.

Flowers: The flowers grow in several spirals in a spike, the flowers are white in colour, fragrant. The sepals and petals form a hood over the lip, the lip is curved downwards. Flowers were measured to 1 cm long.

Leaves: Leaves basal and cauline, leaves linear to linear-lanceolate. We measured a basal leaf to 12 cm long and 6 mm wide.

Height: Listed in Budd's Flora with a height of 40 cm, we've measured plants to 21 cm tall.

Habitat: Moist prairie, open bogs, and fens, and wet mossy black spruce woods in light shade.

Abundance: Common.

Origin: Native.

When and where photographed: The above photos were taken on the edge of a fen in the boreal forest of Duck Mountain Provincial park, July 16th and 22nd, and on July 29th on a moist prairie 60 km southeast of our home in Regina, SK.