Assertion: verbena's leaf | /r/HasProperty | dark green
Facets:
Source sentences:
text: The leaves have rolled under margins and are dark green, deeply-veined, opposite, stiffly-haired, and although variable in shape, they are usually deeply bipinnately dissected (bipinnatifid) and almost as wide as long.
text: Mature leaves are dark green with light gray-green cross-banding and usually range from 70–90 centimetres (28–35 in)