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Solidago canadensis, known as Canada goldenrod or Canadian goldenrod, is an herbaceous perennial plant of the family Asteraceae. [2] It is native to northeastern and north-central North America [ 3 ] and often forms colonies of upright growing plants, with many small yellow flowers in a branching inflorescence held above the foliage.
Goldenrod often is inaccurately said to cause hay fever in humans. [26] The pollen causing this allergic reaction is produced mainly by ragweed (Ambrosia sp.), blooming at the same time as the goldenrod and pollinated by wind. Goldenrod pollen is too heavy and sticky to be blown far from the flowers, and is pollinated mainly by insects. [26]
Solidago gigantea is a perennial herb that reaches heights of up to 2 m (6.6 ft) tall, sometimes spreading by means of underground rhizomes.It often grows in clumps with no leaves at the base but numerous leaves on the stem.
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Goldenrod is a common name for many species of flowering plants in the sunflower family, Asteraceae, commonly in reference to the genus Solidago. Several genera, such as Euthamia , were formerly included in a broader concept of the genus Solidago .
Solidago multiradiata is a species of goldenrod known by the common names Rocky Mountain goldenrod, [2] northern goldenrod, [3] and alpine goldenrod.It is native to North America, where it can be found throughout the northern regions, including Alaska and most of Canada (all three territories plus every province except Prince Edward Island, in addition to territory north of the Arctic Circle.)
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Solidago virgaurea, the European goldenrod or woundwort, is an herbaceous perennial plant of the family Asteraceae. It is widespread across most of Europe as well as North Africa and northern, central, and southwestern Asia (China, Russia, India, Turkey, Kazakhstan, etc.). [2] [3] [4] It is grown as a garden flower with many different cultivars ...
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