''Sidalcea malachroides'', with the common name mapleleaf checkerbloom, is a

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

in the genus ''

Sidalcea ''Sidalcea'' is a genus (approx. 25 species) of the botanical family Malvaceae. It contains several species of flowering plants known generally as checkerblooms or checkermallows, or prairie mallows in the United Kingdom. They can be annuals or ...

''.Calflora: ''Sidalcea malachroides''
/ref>

Distribution

The plant is native to the

California Coast Ranges The Coast Ranges of California span from Del Norte or Humboldt County, California, south to Santa Barbara County. The other three coastal California mountain ranges are the Transverse Ranges, Peninsular Ranges and the Klamath Mountains. Ph ...

in the North Coast and

Monterey Bay Monterey Bay is a bay of the Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica ...

regions of

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

, and the

Oregon Coast Range The Oregon Coast Range, often called simply the Coast Range and sometimes the Pacific Coast Range, is a mountain range, in the Pacific Coast Ranges physiographic region, in the U.S. state of Oregon along the Pacific Ocean. This north-south ru ...

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idah ...

. It grows below in elevation. Within California it is a

Vulnerable species A vulnerable species is a species which has been categorized by the International Union for Conservation of Nature as being threatened with extinction unless the circumstances that are threatening its survival and reproduction improve. Vulne ...

listed on the

California Native Plant Society The California Native Plant Society (CNPS) is a California environmental non-profit organization (501(c)3) that seeks to increase understanding of California's native flora and to preserve it for future generations. The mission of CNPS is to con ...

Inventory of Rare and Endangered Plants.California Native Plant Society, Inventory of Rare and Endangered Plants (online edition, v8-02): ''Sidalcea malachroides''
. accessed 3.8.2016.

Description

''Sidalcea malachroides'' is a perennial herb or subshrub, tall. The leaves are generally all along stem.Jepson: ''Sidalcea malachroides''
/ref> The flowers are head-like spikes, in white or pale purple-white. The bloom period is April to August.

References

External links

Calflora Database: ''Sidalcea malachroides'' (Mapleleaf checkerbloom, Maple leaved checkerbloom)Jepson Manual eFlora (TJM2) treatment of ''Sidalcea malachroides''USDA Plants Profile for ''Sidalcea malachroides'' (mapleleaf checkerbloom)UC CalPhotos gallery: ''Sidalcea malachroides''
malachroides Flora of California Flora of Oregon Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the San Francisco Bay Area Flora without expected TNC conservation status {{Malveae-stub