Louseworts have green leaves and produce their own food through normal photosynthesis but also have roots capable of capturing nutrients and water from adjacent plants making them partially parasitic (or hemiparasites).

What does lousewort mean?

: any of a genus (Pedicularis) of semiparasitic herbs of the snapdragon family typically having pinnatifid leaves and bilabiate flowers in terminal spikes.

Is lousewort a plant?

lousewort, herbaceous plant of the genus Pedicularis (in the broomrape family, Orobanchaceae), which contains about 350 species found throughout the Northern Hemisphere but especially on the mountains of Central and eastern Asia. The plants are semiparasitic on the roots of other plants. ...