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Genus of the Week

(seems more like Genus of the Month lately!)

Week of December 20-26

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This page has been created for people who want to learn more about plants, especially in the context of their taxonomy (Latin names, etc.). This is by no means an exhaustive list of all available Web resources for a particular genus.
If you like this page, you might also want to visit the Land of the Glandular Trichomes , a microscopic look at plants in the Lamiaceae family. Also, you can see my contribution to the Conservation New England web site, entitled "The Introduction of Non-Native Plants into Massachusetts".

This week's genus:


Subclass: Dicotyledoneae
Superorder: Asteridae
Order: Asterales
Family: Asteraceae
Subfamily: Lactucoideae
Tribe: Eupatorieae
Number of Species: at least 80
Root: This genus was named for P. J. Esteve, a Spanish botanist in the 16th century.

Once classified into the genus Eupatorium, Stevia is probably best known for S. rebaudiana, from which a powerful non-caloric sweetener is derived. Although internet information is highly focused on this species, there are many others that can found growing throughout North and South America.

Here are a few links to images and descriptions of different Stevia species:


  1. Heywood, V.H., ed. Flowering Plants of the World. New York, Oxford University Press: 1993.

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