silvery lupine

noun

: either of two silvery-pubescent herbs of the western U.S. with blue or purple flowers:

a

: an herb (Lupinus argenteus) that has foliage poisonous to sheep

b

: an herb (L. caudatus) that is common on well-drained land

The Ultimate Dictionary 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