Assertion: ivy's leaf | /r/AtLocation | the stem
Facets:
value: by a petiole
type: OTHER
Source sentences:
text: The front leaf of the poison ivy plant is attached to the stem by a petiole that is about a quarter the length of the leaf itself.
text: Glechoma is sometimes confused with common mallow (Malva neglecta), which also has round, lobed leaves; but mallow leaves are attached to the stem at the back of a rounded leaf, where ground ivy has square stems and leaves which are attached in the center of the leaf, more prominent rounded lobes on their edges, attach to the stems in an opposite arrangement, and have a hairy upper surface.