Sidalcea sp.
Checkerbloom, Checkerbloom
Family: Malvaceae · Type: Perennial · Variable; species dependent
Sidalcea sp. (Checkerbloom) is a non-native California perennial in the Malvaceae family.
How to tell it apart
vs Malva: Sidalcea has no bract ring below flowers and anthers in two circles; Malva has 3 bracts and scattered anthers.; vs Clarkia: Sidalcea has mallow flowers with fused stamens; Clarkia has 4 separate petals and 8 separate stamens.; vs Geranium: Sidalcea has bowl-shaped flowers with fused stamens; Geranium has 5 separate petals and long beaked fruits.; vs Malacothamnus: Sidalcea is herbaceous in meadows; Malacothamnus is a woody shrub in chaparral.; vs Calochortus: Sidalcea is a dicot with 5-petaled flowers; Calochortus is a monocot with 3-petaled flowers from bulbs.
Frequently asked questions
Is Sidalcea sp. native to California?
No. Sidalcea sp. is not native to California (recorded as variable; species dependent).
What plant family does Sidalcea sp. belong to?
Sidalcea sp. is in the Malvaceae family, genus Sidalcea.
Related species
Other California species in the same genus, family, or bioregion.
- Sidalcea sparsifolia — Southern checkerbloom
- Sidalcea stipularis — Scadden flat checkerbloom
- Sidalcea asprella — Harsh checker mallow
- Sidalcea asprella subsp. asprella — Harsh checkerbloom
- Sidalcea asprella subsp. nana — Dwarf sierran checkerbloom
- Sidalcea calycosa — Vernal pool checkerbloom
- Sphaeralcea ambigua — Apricot mallow
- Sphaeralcea ambigua var. ambigua — Apricot mallow
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.