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Also see Corallorhiza maculata and Corallorhiza striata, Calypso bulbosa, Epipactis gigantea, Cypripedium calceolus, and Green Orchids. |
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Platanthera obtusata. Synonyms: Lysiella obtusata, Habenaria
obtusata.
(Blunt-leaf Orchid) Orchidaceae (Orchid Family) Blooming information withheld to protect the Orchids. In the Four Corners area, these minute Orchids have been found only in Colorado in the two locations where these photographs were taken. The plants enjoy shady, moist forests, especially at streamsides. Basal leaves are almost always singular and large; flowers are minute and spread openly along a leafless stalk. The plants are very difficult to find and it is the leaf that attracts attention. Joseph Banks (who funded Captains Cook and Bligh) named this species Orchis obtusata in 1814, John Richardson renamed it Habenaria obtusata in 1823, John Lindley renamed it Platanthera obtusata in 1835, and Per Axel Rydberg renamed it Lysiella obtusata in 1900. Orchid authority Charles Sheviak indicates that the correct genus for this plant is Platanthera, Greek for "wide anthers", referring to the flower's broad anthers. "Obtusata" is from the Latin for "blunt", referring to the leaf shape. For more information on Colorado Orchids, click for Scotty Smith's "Orchids of Colorado". Scotty's widely praised article includes photographs, line drawings, and descriptive information. |
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Platanthera obtusata. Synonyms: Lysiella obtusata, Habenaria
obtusata. (Blunt-leaf Orchid) Orchidaceae (Orchid Family) Blooming information withheld to protect the Orchids.
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Platanthera obtusata. Synonyms: Lysiella obtusata, Habenaria
obtusata. (Blunt-leaf Orchid) Orchidaceae (Orchid Family) Blooming information withheld to protect the Orchids. The bottom right flower shows that the flower lip (in the lower right corner) is as long as the spur (light green/white and pointing downward parallel and next to the green stem). The tip of the spur can also be seen near the pedicel (the flower stem) in the flower at upper right. Flower color is white to green/white.
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Platanthera obtusata. Synonyms: Lysiella obtusata, Habenaria
obtusata. (Blunt-leaf Orchid) Orchidaceae (Orchid Family) Blooming information withheld to protect the Orchids. In this photograph, the lip, spur, sepals, petals, and reproductive parts show more clearly.
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Range map © John Kartesz,
County Color Key
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Range map for Platanthera obtusata |