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Woodland Threadstem
Pterostegia drymarioides
About Woodland Threadstem (Pterostegia drymarioides) 2 Nurseries Carry This Plant Pterostegia is a monotypic plant genus containing only the single species Pterostegia drymarioides, which is known as the woodland threadstem, woodland pterostegia, fairy mist, or fairy bowties. The plant is native to the western United States, California, Baja California, and Northwestern Mexico. The plant is most commonly found carpeting the ground in shady areas, such as in the understory of a cool forest or chaparral woodlands. It sometimes grows hidden from view beneath other plants. It also is found in shaded areas of desert habitats. Pterostegia drymarioides is a very small annual spreading or climbing plant with very thin, hairy stems. The tiny leaves are lobed or heart-shaped and may be green or pink. The plant may sprawl across the ground in a thin layer or may form small patches here and there. The plant bears tiny bright pink flowers.
Plant Description
Plant Type
Plant Type
Annual herb

Flower Color
Flower Color

Landscaping Information

Natural Setting
Annual Precipitation: 3.4" - 59.6", Summer Precipitation: 0.14" - 2.95", Coldest Month: 24.6" - 60.6", Hottest Month: 45.5" - 87.9", Humidity: 0.51" - 39.91", Elevation: -141" - 11310"

Alternative Names
Common Names: Fairy Bowties, Fairy Mist, Woodland Pterostegia

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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