[The Orchid Family East of the Cascade Mts.]

Coral-root Orchids East of the Cascade Mts.

The Genus Corallorhiza

Spotted Coral Root Orchid

1. Spotted Coral Root Orchid: Corallorhiza maculata - The lower lip is whitish and covered with dark red spots. The stems are light yellow to brownish-purple. The small spur is yellowish.

2. Merten's Coral Root Orchid: Corallorhiza mertensiana - The flowers are reddish-purple and lack longitudinal striping. The flowers are a dull purple or pink color. The spur is prominent.

3. Striped Coral Root: Corallorhiza striata - The flowers are flesh-colored with prominent purplish to reddish-brown striping. The spur is missing.

4. Northern Coral Root: Corallorhiza trifida - The lower lip is whitish and usually not red-spotted. The stems are yellowish. The spur if present is attached to the top of the ovary.


Paul Slichter