Hypericum punctatum, the spotted St. John's wort, is a perennial herb native to North America.[2] The yellow-flowered herb occurs throughout eastern North America into southern Canada. The process of microsporogenesis carried out by this plant is prone to errors in chromosomal segregation. It has a diploid number of 14 or 16. Insects are attracted to the plant's pollen and the hypericin in the plant's leaves is toxic to mammals.
^"Hypericum punctatum". The Plant List. 2013. Retrieved 15 August 2018.
^Cite error: The named reference Illo was invoked but never defined (see the help page).
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Hypericumpunctatum, the spotted St. John's wort, is a perennial herb native to North America. The yellow-flowered herb occurs throughout eastern North...
Hypericum /ˌhaɪˈpiːrɪkəm/ is a genus of flowering plants in the family Hypericaceae (formerly considered a subfamily of Clusiaceae). The genus has a nearly...
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