1. A prickly annual plant (Erodium cicutarium) native to the Mediterranean region, now found in dry regions of North America; also called filaree or pin clover.
Usage: Usually used in plural form; Botanical term; Common in southwestern United States

Examples

• The alfilerias spread across the desert landscape after the spring rains.
• Ranchers often consider alfilerias a nuisance weed in pastures.
• The seeds of alfilerias have distinctive spiral awns that help with dispersal.
• Alfilerias are drought-tolerant plants that thrive in arid climates.
• Livestock may graze on young alfilerias when other forage is scarce.