hedgemustards

genus Sisymbrium

Member of mustard family (family Brassicaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

There are no other wild species of this genus in the bay area.

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london rocket
Sisymbrium irio

• petals 2.5–3.5 mm (claw 1–1.5 mm), 1–1.5 mm wide
• sepals 2–2.5 mm, not horned
• glabrous or sparsely hairy [only] at base
• rare

tumble mustard
Sisymbrium altissimum

• petals 6–8 mm (claw 3.5–6 mm), 2.5–4 mm wide
• very rare

eastern rocket
Sisymbrium orientale

• petals 7–9 mm long (claw 3–5.5 mm), 2.5–4 mm wide
• rare, mostly around SF

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1 observed taxon / 3 unobserved taxons / 1 key

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

Locations:

• Santa Teresa CP
• Stevens Creek CP
• Waterdog Lake & Open Space

Months:

• Mar.: 1
• Apr.: 0
• May: 2

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora