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Grass pink
Calopogon tuberosus var. tuberosus
Scientific classification
Kingdom:
Plantae
Clade:
Tracheophytes
Clade:
Angiosperms
Clade:
Monocots
Order:
Asparagales
Family:
Orchidaceae
Subfamily:
Epidendroideae
Tribe:
Arethuseae
Subtribe:
Arethusinae
Genus:
Calopogon R.Br.
Type species
Calopogon tuberosus
Synonyms[1]
Cathea Salisb.
Helleborine Kuntze
Calopogon, grass pink, is a genus of terrestrial orchids (family Orchidaceae). The generic name is from Greek and means "beautiful beard", referring to the cluster of hairs adorning the labellum. The five species are native to the eastern United States, eastern Canada, Cuba and the Bahamas.[1] The genus Calopogon is abbreviated Cpg in trade journals.
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 associate 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.[2]
The other deception they use is their frequent association with nectar-bearing flowers of the same color; Calopogon is often an associate of the magenta marsh phlox, in the northern United States, the phlox bearing nectar to reward curious insects while the deceptive but showy Calopogon does not.
^ abKew World Checklist of Selected Plant Families
Calopogon, grass pink, is a genus of terrestrial orchids (family Orchidaceae). The generic name is from Greek and means "beautiful beard", referring to...
Calopogon oklahomensis, commonly known as the Oklahoma grass pink or prairie grass pink, is a terrestrial species of orchid native to the United States...
Calopogon tuberosus, the tuberous grass pink, is an orchid native to eastern North America. In the United States, it occurs from as far southwest as Texas...
Calopogon pallidus, the pale grass-pink, is a species of orchid native to the southeastern United States, from Louisiana to Virginia. NatureServe (4 August...
Calopogon barbatus, the bearded grass-pink, is a species of orchid native to the southeastern United States, from Louisiana to North Carolina. Plants...
Calopogon multiflorus, the many-flowered grass-pink, is a species of orchid. It is a perennial forb that requires recurring ground fires to maintain its...
formerly recognised but has now been absorbed into the Grass pink genus Calopogon. v t e This page is an index of articles on plant species (or higher taxonomic...
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oscillator, for example generating the respiratory cycle abbreviation for Calopogon, an orchid genus containing the "grass pinks" Catalog of Principal Galaxies...
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Among the rare species found on the property are tuberous grass-pink (Calopogon tuberosus), ten-angled pipewort (Eriocaulon decangulare var. decangulare)...
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Arethusinae Benth. & Hook.f., Genera Plantarum 3: 463, 484. (1883) Type genus Arethusa Genera Anthogonium Arethusa Arundina Calopogon Eleorchis Mengzia...
elatum Resupinate flowers of Cattleya aclandiae Non-resupinate flowers of Calopogon tuberosus More or less resupinate leaves of Alstroemeria Resupinate flower...
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