1. surviving from year to year; persisting through unfavorable seasons by means of underground or protected structures (used of plants)
Usage: botany; present participle of perennate

Examples

• Perennating plants use bulbs and rhizomes to survive harsh winters.
• The tulip is perennating through its underground bulb structure.
• Many wildflowers are perennating species that return each spring.
• Perennating organs allow plants to endure drought and cold.
• The fern is perennating by means of its underground rhizome.