Assertion: periwinkle's leaf | /r/HasProperty | oval to oblong
Facets:
Source sentences:
text: The leaves are oval to oblong, up to 3.6 inches (9 cm) long and up to 2 inches (3.5 cm) broad, glossy green, hairless, with a pale midrib and a short petiole up to 0.7 inches (1.8 cm) long.
text: The leaves are oval to oblong, broad, glossy, green, and arranged in opposite pairs.