Complex sentence: The plant parasitises the roots of other tree species, with a haustorium adaptation on its own roots, but without major detriment to its hosts, an individual will form a non-obligate relationship with a number of other plants.
Split into simpler sentences: The plant parasitises the roots of other tree species, with a haustorium adaptation on its own roots, but without major detriment to its hosts. An individual will form a non-obligate relationship with a number of other plants.