hemiparasite vs parasitic plant

hemiparasite and parasitic plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemiparasite	Yes	No	No	No
parasitic plant	Yes	No	No	No

As nouns, parasitic plant is a hypernym of hemiparasite; that is, parasitic plant is a word with a broader meaning than hemiparasite:

hemiparasite: a parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis
parasitic plant: plant living on another plant and obtaining organic nutriment from it

hemiparasite (noun)	parasitic plant (noun)
a parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis	plant living on another plant and obtaining organic nutriment from it