White mustard (Sinapis alba), alternatively known as yellow mustard, is a fast-growing annual herbaceous plant belonging to the cabbage and mustard family, Brassicaceae. Though indigenous to the Mediterranean region and Southern Europe, it has widely naturalized across the globe. The plant is highly valued for its agricultural utility, culinary seeds, and soil-healing properties.
Botanical Profile
• Appearance: A medium-to-tall bristly annual herb reaching heights between 70 cm and 1.5 meters. Stems are green and covered in short, stiff hairs.
• Leaves: Alternate, stalked, and deeply lobed (pinnatifid) with rough, hairy surfaces.
• Flowers: Bright yellow clusters featuring four petals in a distinct cruciform pattern. Flowering typically spans from June to August.
• Fruit & Seeds: Diagnostic lumpy, bristly seed pods (siliques) that end in a flat, beak-like point. Each pod holds roughly half a dozen spherical, beige-to-light-yellow seeds measuring 1–1.5 mm in diameter.



