california wild rose

Rosa californica

Member of roses (genus Rosa)
rose tribe (tribe Roseae)
rose family (family Rosaceae)
dicots (class Magnoliopsida)
pale purple, pink in flowering plants

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• shrub or thicket-forming, 80 cm – 2.5 m
• prickles 3–15 mm, thick-based and compressed, generally curved
• leaf axis ± shaggy-hairy (± glabrous), hairs to 1 mm, glandless or glandular
• leaflets 5–7(9), ± hairy, sometimes glandular
• sepals entire, glandular or not
• petals generally 15–25 mm, pink
• very common in the bay area
• hosts rose galls

Edibility: Early Californians would occasionally eat the rose hips raw, but only after a frost had sweetened them. [source]

Toxicity:
except for thorns of rose (Rosa spp.):

rose hips of rosehips, hip berries (Rosa spp.):

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Chris’s observations: 36 (32 are research grade)

Locations:

• Pinnacles NP: 5
• Henry Coe SP: 3
• Russian Ridge OSP: 3
• Skyline Ridge OSP: 3
• Bear Creek Redwoods OSP: 2
• Butano SP: 2
• Santa Teresa CP: 2
• Ulistac Natural Area, Santa Clara: 2
• Waterdog Lake & Open Space: 2
• Wilder Ranch SP: 2
• Almaden Quicksilver CP
• Coal Creek OSP
• El Sereno OSP
• Murray Ranch SP
• Pearson-Arastradero Preserve, Palo Alto
• Point Lobos SP
• Rancho Cañada del Oro OSP
• Sibley Volcanic RP
• Stevens Creek CP
• Windy Hill OSP

Months:

• Mar.: 3
• Apr.: 1
• May: 5
• Jun.: 8
• Jul.: 4
• Aug.: 3
• Sep.: 3
• Oct.: 5
• Nov.: 0
• Dec.: 2
• Jan.: 2

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

Bay Area species: iNaturalist – Calflora