Lesson plan
Polycarpaea
Polycarpaea is a genus of plants in the family Caryophyllaceae. It contains 79 species native to tropical and subtropical regions of South America, Africa and Madagascar, the Indian subcontinent, Indochina, southern China, Taiwan, the Philippines, New Guinea, and Australia. The genus was named by Jean-Baptiste Lamarck in 1792. Molecular phylogenetic analysis showed that the genus is polyphyletic and needs to be redefined. It falls into three distinct clades. One of these, a group of species related to P. corymbosa, has acquired the photosynthetic pathway.
Article summary
Polycarpaea is a genus of plants in the family Caryophyllaceae. It contains 79 species native to tropical and subtropical regions of South America, Africa and Madagascar, the Indian subcontinent, Indochina, southern China, Taiwan, the Philippines, New Guinea, and Australia. The genus was named by Jean-Baptiste Lamarck in 1792. Molecular phylogenetic analysis showed that the genus is polyphyletic and needs to be redefined. It falls into three distinct clades. One of these, a group of species related to P. corymbosa, has acquired the photosynthetic pathway.
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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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