Ever encounter something stringy and orange growing on a plant? That might be a holoparasite called dodder (Cuscuta spp.). Here's a photo Bethany Evans Campbell took of one growing on wingstem (...
The presence of a haustorium. That's an organ induced by the parasite when it comes into contact with a potential host. It is the bridge between the vascular systems of the parasi...
Pedicularis canadensis (wood betony, or lousewort) flowers April-May and is especially showy on burned prairies. This perennial hemiparasite spreads clonally and can form very dense...
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