Assertion: date palm's leaf | /r/HasProperty | stout midrib
Facets:
Source sentences:
text: The feather-like leaves, up to 20 ft (6 m) long, are composed of a spiny petiole, a stout midrib, and slender, gray-green or bluish-green pinnae 8 to 16 in (20-40 cm) long, and folded in half lengthwise.