Sidalcea robusta
Encyclopedia
Sidalcea robusta is an uncommon species of flowering plant in the mallow family
known by the common name Butte County checkerbloom.
perennial herb produces a sturdy stem which can exceed a meter in height. Sidalcea robusta is mostly hairless above with sparse hairs near the base. The leaves are divided into pointed lobes and have bristly hairs on their upper surfaces. The inflorescence
is a long, open series of flowers which can be 30 to 40 centimeters in length. The flowers each have five pale pink petals up to 3.5 centimeters long that turn yellowish as they dry.
, where it is known from about 20 occurrences, including some near Chico
. It is a resident of chaparral
and woodland habitat in mountain foothills.
Malvaceae
Malvaceae, or the mallow family, is a family of flowering plants containing over 200 genera with close to 2,300 species. Judd & al. Well known members of this family include okra, jute and cacao...
known by the common name Butte County checkerbloom.
Description
This rhizomatousRhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...
perennial herb produces a sturdy stem which can exceed a meter in height. Sidalcea robusta is mostly hairless above with sparse hairs near the base. The leaves are divided into pointed lobes and have bristly hairs on their upper surfaces. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
is a long, open series of flowers which can be 30 to 40 centimeters in length. The flowers each have five pale pink petals up to 3.5 centimeters long that turn yellowish as they dry.
Distribution
Sidalcea robusta is endemic to Butte County, CaliforniaButte County, California
Butte County is a county located in the Central Valley of the US state of California, north of the state capital of Sacramento. As of the 2010 census, it had a population of 220,000. The county seat is Oroville. Butte County is the "Land of Natural Wealth and Beauty."Butte County is watered by the...
, where it is known from about 20 occurrences, including some near Chico
Chico, California
Chico is the most populous city in Butte County, California, United States. The population was 86,187 at the 2010 census, up from 59,954 at the time of the 2000 census...
. It is a resident of chaparral
Chaparral
Chaparral is a shrubland or heathland plant community found primarily in the U.S. state of California and in the northern portion of the Baja California peninsula, Mexico...
and woodland habitat in mountain foothills.