spotted St. John's wort

Hypericum punctatum

Summary 2

Hypericum punctatum, the spotted St. John's wort, is a perennial herb native to North America. 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.

Sources and Credits

  1. (c) BlueRidgeKitties, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/blueridgekitties/5940125656/
  2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Hypericum_punctatum

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