Spiranthes romanzoffiana
Orchidaceae
Hooded Ladies' Tresses
Stem erect, with dense spike of flowers. Basal leaves to 5 in. long; stem leaves reduced to bracts. Flowers pure white, in 3 precise rows, twisting as they spire upward. Flower with upper petals and sepals fused into inflated hood; lower petal violin-shaped, extending down and back toward stem, tip hairless. Grows in wet places, along streams, bogs, marshes, in prairies and meadows, in all elevations to timberline.
- Rarity: Uncommon
- Flowering Time: Mid Summer
- Flower Form: petals 3 or 6, orchids
- Life Cycle: Perennial
- Height: 8–24 inches
- Habitat: Bog/Fen/Wetland, Coastal, Meadow, Subalpine, West-side Forest
- Found In: Crater Lake NP, Mt. Rainier NP, N Cascades NP, Olympic NP, Siskiyous, Wallowas, West Gorge
- Native: Yes
