Lesson plan
Bulnesia
Bulnesia is a genus of flowering plants in the caltrop family, Zygophyllaceae. Species in this genus are all native to South America. The wood of some – particularly B. arborea and B. sarmientoi – is traded as verawood (colloquially "vera") or "lignum vitae". They are close relatives of the "true" lignum vitae trees of genus Guaiacum.
Article summary
Bulnesia is a genus of flowering plants in the caltrop family, Zygophyllaceae. Species in this genus are all native to South America. The wood of some – particularly B. arborea and B. sarmientoi – is traded as verawood (colloquially "vera") or "lignum vitae". They are close relatives of the "true" lignum vitae trees of genus Guaiacum.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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