Assertion: parsnip's stem | /r/HasProperty | thick
Facets:
value: with ridges and purple spots
type: OTHER
Source sentences:
text: Stems are thick and hollow with ridges and purple spots.
text: It's got a thick fibrous stem, but what makes it stand out the most is its broad umbrella-shaped cluster of yellowish-greenish flowers.
text: You can identity wild parsnip by its thick grooved greenish-yellow stem and celery-like leaves.