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Genus of the Week

Week of January 4-10

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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 should also visit the Land of the Glandular Trichomes , a microscopic look at plants in the Lamiaceae family.

This week's genus:


Subclass: Dicotyledoneae
Superorder: Rosidae
Order: Haloragales
Family: Theligonaceae
Number of Species: about 3
Root: From the Greek "thel", possibly meaning "teat" and "gonon", meaning joint or angle.

Theligonum is a monoecious genus whose plants are characterized by fleshy leaves and the fact that they are pollinated by ants. This process, termed "myrmecochory", involves ants consuming the oily portion of the seeds and potentially carrying some seeds away from the parent plant. One common name for this genus is "Dog's Cabbage".

Here are two links to information concerning the genus Theligonum:


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

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