Summary ³

Pterostegia is a monotypic plant genus containing only the single species Pterostegia drymarioides, which is known as the woodland threadstem or woodland pterostegia. It is native to the western United States. This 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...

Sources and Credits

1. (c) 2005 Keir Morse, some rights reserved (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=178727&one=T
2. (c) Rancho del Oso - Big Basin Redwoods State Park, all rights reserved, uploaded by Rancho del Oso - Big Basin Redwoods State Park
3. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Pterostegia_drymarioides

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

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