Platanthera sparsiflora
Encyclopedia
Platanthera sparsiflora is a species of orchid
Orchidaceae
The Orchidaceae, commonly referred to as the orchid family, is a morphologically diverse and widespread family of monocots in the order Asparagales. Along with the Asteraceae, it is one of the two largest families of flowering plants, with between 21,950 and 26,049 currently accepted species,...

 known by the common name sparse-flowered bog orchid. It is native to the forests and meadows of the western United States, where it can be found in wet habitat. It produces a slender, erect flowering stem up to about half a meter tall. The longest leaves near the base of the stem are up to 15 centimeters long by 3 wide. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

has widely spaced twisted green flowers with petals up to a centimeter in length.

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