wallflowers

genus Erysimum

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

Except for extremely rare examples that I don't expect to encounter, there are no other wild species of this genus in the bay area.

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Key features:

• stem base woody or not
• leaves linear or wider, or narrowly linear or narrower
• basal/proximal leaf width, measured exactly
• petal color

sand-loving wallflower
Erysimum ammophilum

• stem base not woody
• stem 0.4–9(13) dm
• leaves linear-oblanceolate, 2–9 mm wide
• flower petals yellow
• Ecology: coastal dunes
• rare on Pacific coast near Butano and Big Basin

santa cruz wallflower
Erysimum teretifolium

• stem base not woody
• leaves 0.3–3 mm wide, thread-like to narrowly linear, margin ± rolled under, appearing cylindric, finely toothed
• Santa Cruz area

Toxicity of mullein (Erysimum spp.):
0 – Non-toxic.

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2 observed taxons / 2 unobserved taxons / 1 key

Chris’s observations: 4 (3 are research grade)

Locations:

• Máyyan 'Ooyákma Coyote Ridge OSP: 2
• Ansel Adams Wilderness
• Pinnacles NP

Months:

• Mar.: 2
• Apr.: 1
• May: 0
• Jun.: 0
• Jul.: 0
• Aug.: 0
• Sep.: 1

For more details, use advanced search.

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora