noun
- Perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes.
- synonyms: Hypericum ascyron, Hypericum pyramidatum
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). great st john's wort. Retrieved September 30, 2026, from http://smartdefine.org/great_st_john%27s_wort/definitions/1325142 |
| Chicago | WordNet. 2010. "great st john's wort" http://smartdefine.org/great_st_john%27s_wort/definitions/1325142 (accessed September 30, 2026). |
| Harvard | WordNet 2010, great st john's wort, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/great_st_john%27s_wort/definitions/1325142>. |
| MLA | WordNet. "great st john's wort" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/great_st_john%27s_wort/definitions/1325142> |