willow acacia

noun

: either of two Australian shrubby acacias (Acacia saligna and A. salicina) having showy yellow flower heads and phyllodia that resemble willow leaves

The Ultimate Dicitonary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now