Federal Status:
Endangered
Date Listed:
62 FR 689; January 6, 1997.
Description:
Erect, slender herb, 240-475 mm tall, gabbrous below, pubescent above. Five to ten linear grasslike leaves 18 cm long and 1.5 cm wide grow on the stem. Stalk contains up to 40 small white flowers arranged in a spiral. Species assumed to be a perrenial.
Population:
Entire
Range:
U.S.A. (AZ). Limited to four small populations in the mountains of SE Arizona in the San Pedro River watershed in Santa Cruz and Cochise Counties.
Habitat:
Cienega; marshy mid elevation, wetlands surrounded by arid environments. Associated with perrenial streams and stream headwaters.
Life Cycle:
Flower in July. Orchid seed germination and establishment may take 1 to 15 years. Mature plants remain underground from 1 to 5 years before re-emerging or drying. Stages are either flowering, dormant, or absent.
Threats:
Destruction, modification, or curtailment of its habitat or range. Livestock grazing, groundwater pumping, and collection.
Notes:
Family: Orchidaceae. ESA protection obtained through litigation by Southwest Center.

graphic Andrew Rodman ©2002
July 3, 2003
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