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Calopogon tuberosus (L.) Britton, Sterns & Poggenb.
Tuberous grasspink, Grass pink
USDA Symbol: CATU5
Calopogon comes from the Greek words meaning beautiful beard. The prominent hairs, the beard, on the lip identify it. This species is a plant of moist areas and is most abundant in pineland bogs. It is known as grass pink because of the long, narrow, grass-like leaves. It grows 2 1/2–4 feet tall, with 2 or more flowers arranged along the stem. The blossoms are rose-pink to pale orchid and are about 2 inches across (248).
This delicate, sweet-smelling orchid often springs from peat or sphagnum moss and is easily recognized by the bearded lip petal and solitary, grass-like leaf. Its genus name is derived from the Greek for beautiful beard, and the species name is Latin for tuberous. The former species, C. pulchellus, is now considered a variety, C. tuberosus var. tuberosus. Bearded Grass Pink (C. barbatus), found from North Carolina southward, has pink flowers that all open together, whereas the flowers of C. tuberosus open successively. Pale Grass Pink (C. pallidus), found from North Carolina south to Florida and west to Louisiana, has pale pink to whitish flowers and is smaller in all respects than C. tuberosus.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Complexity: Simple Flower:
Fruit: Size Class:
0-1 ft. , 1-3 ft.
Bloom InformationBloom Time: Mar , Apr , May , Jun , Jul , Aug
, WV Canada: NB
, PE Native Distribution:
Manitoba east to Nova Scotia and Newfoundland, south to Florida, west to Texas, and north to Kansas, Iowa, and Minnesota. Native Habitat:
Bogs and bog meadows and acidic, sandy or gravelly sites.
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
- Picayune, MSMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2013-10-24
Research By: TWC Staff