Corallorhiza species

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Scientific Name Corallorhiza maculata var. maculata USDA PLANTS Symbol COMAM7
Common Name Spotted Coralroot, Summer Coralroot ITIS Taxonomic Serial No. 894892
Family Orchidceae (Orchid) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (5500 to 11000 ft.); usually dry soils in wooded areas - aspens groves, conifer forests.
Plant: Erect perennial, fleshy, reddish-brown stem (raceme) 8 to 24 inches tall.
Leaves: None.
Inflorescence: Single erect raceme of 6 to 20 small flowers about 3/4-inch long with 3 dark red/brownish sepals and 3 white petals with reddish/purple spots, lower one forming a larger lip; the lower lip in var. maculata is not spread out, as compared to var. occidentalis in which it is much broader; the plant is otherwise similar.
Bloom Period: June and July.
References: SEINet, North American Orchid Center, "Flora of Colorado" by Jennifer Ackerfield and "Guide to Colorado Wildflowers" by G.K. Guennel.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Corallorhiza trifida USDA PLANTS Symbol COTR18
Common Name Yellow Coralroot, Early Coralroot ITIS Taxonomic Serial No. 894654
Family Orchidceae (Orchid) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (7200 to 11000 ft.); moist areas in aspens groves, conifer forests and streamsides.
Plant: Erect perennial, fleshy, greenish-yellow stem (raceme) 3 to 12 inches tall.
Leaves: None. One to three alternate leaf-like sheaths along stem.
Inflorescence: Single erect raceme of 3 to 18 small flowers, each less than 1/2-inch long; 3 sepals and 3 petals, yellowish white to pale yellow-green; lateral sepals bent back, lateral petals and upper sepal converge to form hood; lower petal forms a lip, often purple-spotted.
Bloom Period: June and July.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet, North American Orchid Center and www.borealforest.org.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2020