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Sparse-flowered Bog-orchid
Platanthera sparsiflora
About Sparse-flowered Bog-orchid (Platanthera sparsiflora) Nurseries Show All Photos Platanthera sparsiflora is a species of orchid known by the common name sparse-flowered bog orchid. It is native to the forests and meadows of the western United States (Colorado and New Mexico west to California, plus Washington and Oregon), and also south to Baja California. Platanthera sparsiflora can be found in wet habitats. 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 has widely spaced twisted green flowers with petals up to a centimeter in length.
Plant Description
Plant Type
Perennial herb

Max. Height
1.6 ft (0.49 m)

Flower Color

Native Status

Natural Setting
Elevation ?
15' - 10754'

Annual Precip. ?
12.0" - 153.6"

Summer Precip. ?
0.20" - 5.84"

Coldest Month ?
23.0° F - 48.8° F

Hottest Month ?
45.1° F - 71.0° F

Humidity ?
0.29 vpd - 21.97 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Canyon Bog Orchid, Platanthera De Pocas Flores, Sparse-flowered Bog Orchid

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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