<http://schema.org/description>
"Known as the poison hemlock or spotted hemlock, this multi-stemmed perennial weed with toothed, fern-like leaves and clusters of small white flowers. The stems have purple spots, which are most evident near the base of the plant."^^<http://www.w3.org/2001/XMLSchema#string>
<http://extension.psu.edu/animals/equine/news/2012/toxic-weed-hemlock-conium-maculatum>