node: the point on a stem where a leaf or leaves are, or have been attached; the point at which subsidiary parts (buds, adventitious roots) begin to grow; the solid construction on a culm; a knot, swelling, or enlarged lump
pedicel: a thin stalk that supports an individual flower (or fruit) of an inflorescence (or infructescence) It attaches to the main axis of the inflorescence or its branches above the peduncle.