Streptopus

Streptopus
	White Twisted-Stalk; (Streptopus amplexifolius)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Liliales
Family:	Liliaceae
Subfamily:	Streptopoideae
Genus:	Streptopus; Michx.
Synonyms[1]
	Hexorima Raf.; Hekorima Kunth; Kruhsea Regel; Tortipes Small;

Streptopus is a Eurasian and North American genus of flowering plants in the lily family, found primarily in colder and temperate regions.[2] Members of the genus are often referred to as twistedstalk.[3] It is one of the shade dwelling members of the lily family.[4]

Streptopus is a perennial herb spreading by means of underground rhizomes. It generally produces flowers only one or two at a time, often small and hidden beneath the leaves. They are white, greenish-yellow or rose-colored.[2]

Species[1][5][6][7]

Streptopus amplexifolius - central + southern Europe, Russian Far East, Canada including Arctic territories, Greenland, United States (Alaska, Great Lakes + mountains)
Streptopus chatterjeeanus - Sikkim
Streptopus koreanus - Korea, China (Heilongjiang, Jilin, Liaoning)
Streptopus lanceolatus - Canada, United States (Alaska, Great Lakes, Appalachians, Cascades)
Streptopus obtusatus - China (Gansu, Hubei, Shaanxi, Sichuan, Yunnan)
Streptopus ovalis - China (Liaoning), Korea
Streptopus parasimplex - Nepal, Sikkim, Bhutan
Streptopus parviflorus - China (Sichuan, Yunnan)
Streptopus simplex - Tibet, Yunnan Bhutan, Myanmar, Nepal, Sikkim, northern + eastern India
Streptopus streptopoides - Siberia, Russian Far East, Hokkaido, Canada (Alberta, British Columbia), United States (Alaska, Washington, Oregon, northern Idaho)

References

Kew World Checklist of Selected Plant Families
Utech, Frederick H. (2002). "Streptopus". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 26. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
"Streptopus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 4 December 2015.
"Streptopus". Pacific Bulb Society Wiki.
"Streptopus". County-level distribution maps from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
Chen, Xinqi; Tamura, Minoru N. "Streptopus". Flora of China. 24 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
"Genere Streptopus" [Genus Streptopus]. Altervista Flora Italiana.

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[Kew-1] Kew World Checklist of Selected Plant Families

[n-2] Utech, Frederick H. (2002). "Streptopus". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 26. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

[3] "Streptopus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 4 December 2015.

[4] "Streptopus". Pacific Bulb Society Wiki.

[5] "Streptopus". County-level distribution maps from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.

[6] Chen, Xinqi; Tamura, Minoru N. "Streptopus". Flora of China. 24 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

[7] "Genere Streptopus" [Genus Streptopus]. Altervista Flora Italiana.