peak rushrose

Crocanthemum scoparium

Member of frostweeds (genus Crocanthemum)
rock-rose family (family Cistaceae)
dicots (class Magnoliopsida)
yellow in flowering plants

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

This species has subspecies or variants that don't seem worth distinguishing.

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Toxicity of rush rose (Aglianthemum scoparium):
0 – Non-toxic.

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Chris’s observations: 9 (8 are research grade)

Locations:

• Henry Cowell Redwoods SP: 2
• Big Basin SP
• Castle Rock SP
• Edgewood Park & Natural Preserve
• Fort Ord NM
• Sierra Azul OSP
• Skyline Ridge OSP
• UCSC Campus Natural Reserve

Months:

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

For more details, use advanced search.

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Not all sites agree about the scientific name:

• Crocanthemum scoparium → iNaturalist – Calflora – Jepson eFlora – FNA
• Helianthemum scoparium → CalPhotos

Bay Area species: iNaturalist – Calflora