Assertion: orchid | /r/HasProperty | depend on their green roots
Facets:
value: for lack
type: CAUSE
value: for photosynthesis
type: PURPOSE
Source sentences:
text: Some orchids, such as Dendrophylax lindenii (ghost orchid), Aphyllorchis and Taeniophyllum depend on their green roots for photosynthesis and lack normally developed leaves, as do all of the heterotrophic species.