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Plants
AGAVE AND YUCCA | CACTI | WILDFLOWERS

Spiranthes Romanzoffiana, Hooded Lady's-Tresses


Plants > Wildflowers > Orchidaceae > Spiranthes Romanzoffiana
Hooded Lady's-Tresses; Delicate flowers of hooded lady's-tresses (spiranthes romanzoffiana), Yellowstone National Park
Delicate flowers of hooded lady's-tresses (spiranthes romanzoffiana), Yellowstone National Park
Common name:
Hooded lady's-tresses
Family:
Orchid (Orchidaceae)
Scientific name:
Spiranthes romanzoffiana
Main flower color:
White
Range:
Western states between the Rocky Mountains and the Pacific Ocean
Height:
Up to 2 feet
Habitat:
Moist, open locations; sea level to 11,000 feet
Leaves:
Narrowly lanceolate, alternate, up to 10 inches long; curving. Mostly around the base
Season:
July to October
Pintrest
The elongated clusters of small, complex, bilaterally symmetric flowers help identify spiranthes romanzoffiana as a member of the orchid family. This species frequents moist locations over a wide range of elevations, from coastal areas to high mountains, often partly concealed by long grass, and reaches heights of 2 feet.

The hairless, all-white (occasionally pale yellow) flowers form in rows (usually four), which spiral around the stem; each flowerhead is composed of two petals and three sepals which together form a hood, above a longer, narrower, downward-pointing lower petal. The outer edges of the petals have a fine fringe. Each row contains up to 15 flowers, extending for about 4 inches. Flowers have a distinct sweet smell, like vanilla.




Flower spike
Flower spike
Hooded Lady's-Tresses
Stem and leaves
Flowers and buds
Flowers and buds
Developing flowers
Developing flowers
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