Assertion: angiosperm's structure | /r/HasProperty | the calyx
Facets:
value: collectively
type: MANNER
Source sentences:
text: Structures of the flower: The four main parts of the flower are the calyx, corolla, androecium, and gynoecium.
text: The outermost whorl of the flower has green, leafy structures known as sepals, which are collectively called the calyx, and help to protect the unopened bud.