Английская Википедия:Helianthemum canadense
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Шаблон:Short description Шаблон:Speciesbox
Helianthemum canadense or Crocanthemum canadense (known as longbranch frostweed, Canada frostweed, frostweed, rock frost, frostplant, or frostwort) is a species of rock-rose (Cistaceae), native to eastern North America.
Description
It is a flowering perennial Шаблон:Convert in height that blooms from May to June for a single day. Each stem normally has a single flower, but rarely can have two. The flower is yellow in color, with five petals and is between 3/4 and Шаблон:Frac inches across. The leaves are covered in hairs and alternate in pattern. The stems are also covered in hairs and are brown or green in color.
References
- USDA, NRCS. 2019. The PLANTS Database (http://plants.usda.gov, 5 February 2019). National Plant Data Team, Greensboro, NC 27401-4901 USA.
- wildflower.org
- Minnesotawildflowers.info