Complex sentence: The plant has sword-like leaves more than 1 m long surround a flower spike up to 6 m high, bearing at its apex a large cluster of bright red flowers, each 10 cm across.
Split into simpler sentences: The plant has sword-like leaves more than 1 m long. It sends up a flower spike up to 6 m high, bearing at its apex a large cluster of bright red flowers, each 10 cm across.