field mustard

Brassica rapa

Member of cabbages and mustards (genus Brassica)
yellow mustards
mustard family (family Brassicaceae)
dicots (class Magnoliopsida)
yellow in flowering plants

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• see yellow mustards for a key to common mustards
• stem 30–100 cm, simple or branched
• basal leaves pinnately lobed, lateral lobes 2–4(6) pairs, terminal lobe obovate, wavy-dentate
• middle and distal cauline leaves sessile, base lobed, generally clasping
• pedicel erect
• petals 6–11(13) mm
• very common

Toxicity of wild mustard (Brassica spp.):
0 – Non-toxic.

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Chris’s observations: 3 (none are research grade)

Locations:

• Coyote Creek Trail
• Los Altos Hills, CA
• Saratoga, CA

Months:

• Feb.: 2
• Mar.: 1

For more details, use advanced search.

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora