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Creamy Lady's Tresses
Spiranthes porrifolia
About Creamy Lady's Tresses (Spiranthes porrifolia) 0 Nurseries Carry This Plant Spiranthes porrifolia is a species of orchid known by the common names creamy lady's tresses and western ladies' tresses. It is native to the western United States from Washington and Idaho to southern California. It can be found in moist and wet habitat, such as mountain meadows, freshwater swamps, and riverbanks. It is a perennial herb growing from a tuberous root system, reaching a maximum height around 60 centimeters. The leaves are mainly located around the base of the erect stem. They are linear or lance-shaped, or sometimes nearly oval. The top of the stem is occupied by the inflorescence, a dense spiral of many flowers. Each flower is somewhat tubular, with an upper and lower lip, and cream to yellowish in color. Porrifolia is Latin for "leak-leaved. "
Plant Description
Plant Type
Plant Type
Perennial herb

2 ft tall

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL

Landscaping Information
Natural Setting
Annual Precipitation: 5.2" - 88.4", Summer Precipitation: 0.25" - 3.86", Coldest Month: 10.6" - 52.0", Hottest Month: 34.0" - 79.3", Humidity: 0.02" - 26.72", Elevation: 30" - 14066"

Alternative Names
Common Names: Creamy Ladies'-tresses, Western Ladies' Tresses, Western Lady's Tresses

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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