Definitions for calopogon
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Calopogon, genus Calopogon(noun)
terrestrial orchids of North America
Calopogon, grass pink, is a genus of terrestrial orchids. The generic name is from Greek and means "beautiful beard", referring to the cluster of hairs adorning the labellum. The genus is mainly confined to the United States, with 5 species found in the southeastern U.S., but only one north into Wisconsin and parts of Ontario. The genus Calopogon is abbreviated Cpg in trade journals. The genera Cathea Salisb. and Helleborine Kuntze have been brought into synonymy with Calopogon. Calopogon, like many other orchids, is an indicator species for good remnant hydrology. This means that their presence is an indication of high-quality ground and surface water. Most species of calopogon frequent wet, sunny swales, bogs, and the edges of marshy areas, and associates with ferns, sedges, grasses and forbs. Calopogon oklahomensis has been observed in drier areas than Calopogon tuberosus would prefer. One distinguishing feature of the grass pinks is that, unlike most orchids, they are non-resupinate. The lip of calopogon is on the top of the flower, not the bottom, as is common with most other genera. The brushy, yellow protuberances on the lip are also designed to attract pollinators, but they only tempt without providing a reward. To add injury to insult, the flower then snaps closed when a potential pollinator lands on it, and the insect has to crawl out of the tight quarters between the lip and the reproductive parts below in order to escape, hopefully pollinating the flower in the process.
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