checkerblooms

genus Sidalcea

Member of mallow family (family Malvaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

Except for historical records that I'm ignoring, there are no other wild species of this genus in the bay area.

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Jepson is fairly useless and doesn’t describe what I see in CalPhotos. Key is based mostly on CalPhotos.

Key features:

• thin linear or narrowish triangular bracts cupping the calyx or not
• cauline leaf shape, regularity

marin checkerbloom
Sidalcea hickmanii ssp. viridis

• bracts cupping the calyx are narrowish triangular, not linear
• leaves generally all along stem, generally alike in size, shape
• leaf blade coarsely crenate or shallowly lobed
• Mt. Tam

maple-leaved checkerbloom
Sidalcea malachroides

• inflorescence in dense spike
• leaves generally all along stem, alike in size, shape
• leaf blade generally shallowly 5–7-lobed
• Nisene Marks

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3 observed taxons / 3 unobserved taxons / 1 key

Chris’s observations: 59 (39 are research grade)

Locations:

• Santa Teresa CP: 10
• Calero CP: 6
• Edgewood Park & Natural Preserve: 4
• Joseph D. Grant CP: 4
• Russian Ridge OSP: 4
• Coyote Lake / Harvey Bear Ranch CP: 3
• Long Ridge OSP: 3
• Coyote Valley OSP: 2
• Los Trancos OSP: 2
• Monte Bello OSP: 2
• Máyyan 'Ooyákma Coyote Ridge OSP: 2
• Rancho Cañada del Oro OSP: 2
• Sunol Wilderness RP: 2
• Sweeney Ridge National Recreation Area: 2
• Wilder Ranch SP: 2
• Almaden Quicksilver CP
• Coyote Hills RP
• Desolation Wilderness
• Fort Ord NM
• Henry Coe SP
• Pacheco SP
• San Bruno Mountain State & County Park
• Skyline Ridge OSP
• Windy Hill OSP

Months:

• Feb.: 1
• Mar.: 9
• Apr.: 28
• May: 15
• Jun.: 4
• Jul.: 0
• Aug.: 1
• Sep.: 0
• Oct.: 0
• Nov.: 1

For more details, use advanced search.

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora