chinese fan palm (livistona chinensis) petioles (stalk that joins leaf to a stem) have sharp spines.

livistona chinensis chinese fan palm fountain arecaceae tree leaves shaped ornamental plant weed single trunk glossy deeply divided droop downward upright mature straight long tapering ribbon-like petioles sharp spines star-shaped leaf venation broadleaf evergreen green leaf blade foliage perennial flowering plants garden temperature ecosystem invasive species wetland elegant cultivated conservatories hardy tolerant subtropical east asia native japan taiwan ryukyu islands china naturalized south africa mauritius andaman java