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Turnera ulmifolia


Turnera ulmifolia, the ramgoat dashalong<ref>Template:PLANTS</ref> or yellow alder, is a species of plant of family Passifloraceae, native to Mexico and the West Indies. A recent study found that yellow alder potentiated the antibiotic activity against methicillin—resistant Staphylococcus aureus (MRSA).<ref name="CoutinhoCosta2009">Template:Cite journal Template:Open access</ref>


Turnera ulmifolia grows erect, with dark toothed leaves and small, yellow-orange flowers, and is often found as a weed growing on roadsides.

This plant is commonly misidentified with the closely related T. diffusa in horticultural commerce, causing it to be often misrepresented as "Damiana."<ref>Template:Cite journal</ref><ref>Template:Cite web</ref><ref>Template:Cite web</ref>