[The Bog Orchids of Mt. Adams]

Dilated Bog Orchid

Platanthera dilatata var. dilatata

The photo above shows a close-up of the flower of dilated bog orchid. Note the long, narrow lower lip which is longer than the thick spur. Note also the two upper petals and partially fused sepals which form a hood. Photographed in wetland forest near Willard Springs in Conboy Lake NWR....................June 15, 2008.

The photo above shows a close-up of the flower of dilated bog orchid. Photographed in wetland forest near Willard Springs in Conboy Lake NWR....................June 15, 2008.

The photo above shows a close-up of the inflorescence of dilated bog orchid. Photographed in wetland forest near Willard Springs in Conboy Lake NWR....................June 15, 2008.

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The 3 photos directly above show close-up views (from left to right) of the flower, whole plant and lowest stem leaf of dilated bog orchid. Photographed in wetland forest near Willard Springs in Conboy Lake NWR....................June 15, 2008. Click each photo to see an enlarged version.

The photo above shows a close-up of the flower of dilated bog orchid as seen in meadows immediately to the north of Hellroaring Meadows adjacent to the Island Springs Trail #66 on Yakama Nation lands at the southeastern corner of Mt. Adams..............July 17, 2005. Note the thick, in this case, greenish spur which is about equal in length to the lower lip of the flower.

Dilated bog orchid as seen along the Round the Mt. Trail on the south side of Mt. Adams.................August 7, 1990.

Paul Slichter