Assertion: sunflower's petal | /r/CapableOf | form the ligule
Facets:
Source sentences:
text: In the Asteroideae and other minor subfamilies these are usually borne only on florets at the circumference of the capitulum and have a 3+2 scheme — above the fused corolla tube, three very long fused petals form the ligule, with the other two petals being inconspicuously small.
text: The Cichorioideae has only ray florets, with a 5+0 scheme — all five petals form the ligule.