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Claspleaf Twistedstalk
Streptopus amplexifolius
  
About Claspleaf Twistedstalk (Streptopus amplexifolius) 2 Nurseries Carry This Plant Streptopus amplexifolius (twistedstalk, clasping twistedstalk,claspleaf twistedstalk, white twisted-stalk, or watermelon berry) is a species of flowering plant in the family Liliaceae, native to North America, Europe and Asia. It is a herbaceous perennial plant growing to 40-100 cm tall, with alternate, oblong-lanceolate leaves 5-14 cm long. The greenish-white flowers hang from axils on 1-2 cm thin kinked panicles, each flower with six white tepals, 9-15 mm long. The plants leaves completely encircle the stem, and the stems have a kink at each leaf axil giving the plants stem a "twisted" and wiry appearance. The plants grow in a creeping habit in moist, dense undergrowth. Streptopus amplexifolius is widely distributed across North America (Greenland, northern United States including Alaska; and most of Canada including Yukon and Northwest Territories). The plant is most often found near shaded stream banks and in moist thickets of the montane and subalpine zones across most of North America. It is also found in central and southern Europe (from Spain to Ukraine and as far north as Germany and Poland) and in eastern Asia (Japan, Korea, Myanmar (Burma) and eastern Russia (Yakutia, Amur, Kamchatka, Sakhalin, Kuril Islands, Khabarovsk, Primorye)).
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
1.3 - 3.3 ft tall

Flower Color
Flower Color
White, Green

Landscaping Information
Sun
Sun
Part Shade

Nurseries
Nurseries

Common uses
Common uses
Deer Resistant

Natural Setting
Climate
Climate
Annual Precipitation: 22.4" - 152.2", Summer Precipitation: 1.06" - 5.84", Coldest Month: 31.2" - 46.6", Hottest Month: 54.1" - 67.8", Humidity: 0.56" - 21.84", Elevation: 9" - 6386"

Alternative Names
Common Names: Clasping Twistedstalk, Twisted Stalk


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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