Calopogon tuberosus (L.) B.S.P  - Grass Pink Orchid


 

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Calopogon tuberosus - (image 1 of 5)

 

Taxonomy

Family: Orchidaceae

Habitat

Peaty meadows and bogs. Sometimes occurs in marl fens.

Associates

Drosera rotundifolia, Aronia prunifolia, Spiraea alba, Linum medium taxanum.

Distribution

 

Newfoundland west to MN and southeast Manitoba, south to FL, TX, and Cuba.

Morphology

Perennial monocot from a corm. Leaf solitary, linear, to 50 cm x 4 cm, long-sheathing; flowers 3-15 in a loose raceme borne on a scape 30-70 cm long; tepals magenta, 15-25 mm, acute; lip 15-20 mm with a narrow base and a broadly flabellate summit, crested above with stout hairs tipped with magenta and yellow; winged terminal portion of the column suborbicular, with a tapering base.

Notes

Flowers early June to early August

Wetland indicator: Obligate

Listed as endangered in IL, KY, MD, and vulnerable to exploitation in NY.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 

USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA

 


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Michael Hough 2004