Assertion: yam's stem | /r/CapableOf | feature cordate
Facets:
value: to arrowhead-shaped bases
type: TRANSITIVE-OBJECT
Source sentences:
text: Quadrangular purplish-winged stems (to 30’ or more) are clad with long-petioled, broad-ovate, bright green leaves (to 6-8” long) featuring 5-7 conspicuously sunken veins and cordate to arrowhead-shaped bases.