Assertion: verbena's leaf | /r/HasProperty | narrow
Facets:
Source sentences:
text: The leaves are long, narrow, and pointed, with yellowish green colour.
text: Leaves of blue vervain are narrow, opposite, lanceolate (or oblong) reaching anywhere from 3 cm to 17 cm long and on average 5 cm wide with a sharply pointed tip, coarsely toothed edges and a short stalk.