Euphorbia (weeds)
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File:Euphorbia virgata (Ruten-Wolfsmilch) IMG 9813.jpg
Euphorbia virgata (click on image to enlarge it)
Author(s): Hermann Schachner
Source: Wikimedia Commons
Author(s): Hermann Schachner
Source: Wikimedia Commons
Euphorbia is a very large and widely distributed genus with around 2,000 species. It includes various species grown as ornamentals but also several weeds, the most important one being leafy spurge, a poisonous and introduced rangeland weed in North America.
The genus is characterized by their flower clusters, consisting of a female flower which is surrounded by male flowers. The flowers either have a pistil or a stamen and lack any sepals and petals. The fruits are capsules with 3 seeds.
For details see the respective page in Wikipedia.
Currently, the following species have been entered into the system:
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