Assertion: lemon balm's stem | /r/HasProperty | light green
Facets:
Source sentences:
text: It has fibrous and rhizomatous root and stem is light green, 4-angled, single-furrowed along their sides, and glabrous to finely hairy.
text: The stems are light green, 4-angled, single-furrowed along their sides, and glabrous to finely hairy.