Assertion: fern's leaf | /r/HasAspect | long narrow entire lamina
Facets:
value: with the undersurface
type: MANNER
Source sentences:
text: Its leaves are dimorphic; that is, the fertile leaves have a long narrow entire lamina with the undersurface entirely covered with sporangia, but the vegetative leaves have a much broader lamina that is often deeply notched or two-lobed at the tip.