| Sidalcea calycosa | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Malvaceae |
| Genus: | Sidalcea |
| Species: | S. calycosa |
| Binomial name | |
| Sidalcea calycosa | |
Sidalcea calycosa is a species of flowering plant in the mallow family known by the common names annual checkerbloom, checker mallow, and vernal pool checkerbloom. [2] [3]
The plant is endemic to California, along the North Coast and adjacent Northern California Coast Ranges from Mendocino County to Marin County in the northern San Francisco Bay Area, and in sections of the western Sierra Nevada foothills from Butte County south into Tulare County. [2]
It grows in wetland habitats, including marshes and vernal pools, in oak woodland and chaparral openings, grasslands, and coastal salt marsh plant communities. [2]
Sidalcea calycosa is a rhizomatous herb growing 30 centimetres (12 in) to nearly 1 metre (3.3 ft) tall. Despite its common name it may be annual or perennial, depending on the subspecies. The leaves have blades deeply divided into narrow linear lobes, almost divided into leaflets.
The inflorescence is a dense, showy panicle of several flowers each with five pink, purplish, or white petals up to 2.5 centimeters long. The bloom period is April through September. [2]
The two subspecies are:
Sidalcea pedata, also called birdfoot checkerbloom or Big Bear checkerbloom, is a rare and endangered perennial herb of California. It blooms between May and July. However, it is an endemic species of California and only occurs in few places in the San Bernardino Mountains, primarily at Bear Valley, Bluff Lake. It grows at 1500–2100 m elevation in moist meadows to open woodlands and the unique pebble plain habitat of the area. Since Big Bear Valley is a resort destination, the birdfoot checkerbloom is threatened by development, vehicles and grazing.
Sidalcea is a genus 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 perennials, some rhizomatous. They are native to West and Central North America.
Sidalcea malachroides, with the common name mapleleaf checkerbloom, is a flowering plant in the genus Sidalcea.
Eremalche parryi is a species of flowering plant in the mallow family known by the common name Parry's mallow.
Eryngium pinnatisectum is an uncommon species of flowering plant in the family Apiaceae, known by the common names Tuolumne eryngo and Tuolumne button celery.
Navarretia rosulata is a rare species of flowering plant in the phlox family known by the common names San Anselmo navarretia, Marin County navarretia, and Marin County pincushionplant.
Sidalcea covillei is an uncommon species of flowering plant in the mallow family known by the common names Owens Valley sidalcea, and Owens Valley checkerbloom. It is endemic to the Owens Valley of Inyo County, California, where it grows on alkali flats and in alkaline meadows and springs. While it is limited to this single valley, it is known from 42 sites there, and several populations are relatively large, but are greatly diminished by historical standards.
Sidalcea diploscypha is a species of flowering plant in the mallow family known by the common name fringed checkerbloom. It is endemic to California, where it grows in the woodlands and valleys of the central part of the state.
Sidalcea glaucescens is a species of flowering plant in the mallow family known by the common name waxy checkerbloom.
Sidalcea hartwegii is a species of flowering plant in the mallow family known by the common names valley checkerbloom and Hartweg's checkerbloom.
Sidalcea hickmanii is a species of flowering plant in the mallow family known generally by the common name chaparral checkerbloom.
Sidalcea hirsuta is a species of flowering plant in the mallow family known by the common name hairy checkerbloom.
Sidalcea keckii is a rare species of flowering plant in the mallow family, known by the common names Keck's checkerbloom and Keck's checkermallow.
Sidalcea malviflora is a species of flowering plant in the mallow family, known by the common names dwarf checkerbloom, Greek mallow, prairie mallow and dwarf checkermallow.
Sidalcea neomexicana is a species of flowering plant in the mallow family known by the common names salt spring checkerbloom, Rocky Mountain checker-mallow, and New Mexico checker.
Sidalcea oregana is a species of flowering plant in the mallow family known by the common name Oregon checkerbloom.
Sidalcea ranunculacea is a species of flowering plant in the mallow family known by the common name marsh checkerbloom and marsh checker mallow.
Sidalcea reptans is a species of flowering plant in the mallow family known by the common name Sierra checkerbloom and Sierra checker mallow.
Sidalcea robusta is an uncommon species of flowering plant in the mallow family known by the common name Butte County checkerbloom.
Sidalcea stipularis is a rare species of flowering plant in the mallow family, known by the common name Scadden Flat checkerbloom.
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