Sanguisorba annua
Encyclopedia
Sanguisorba annua is a species of flowering plant in the rose family
known by the common names annual burnet and prairie burnet. It is native to North America, including many areas in western and central Canada and the United States. It can be found in several types of habitat, including grassland
, sagebrush
, and disturbed areas. It is an annual or biennial herb producing a leafy, mostly erect stem up to about 90 centimeters in maximum height. The leaves are composed of several pairs of leaflets, each leaflet oval in shape and usually divided into lobes, sometimes deeply, the lobes becoming narrow, linear, or fingerlike. The inflorescence
is a spikelike dense cluster of up to 50 flowers held erect on a tall, naked peduncle
. The flower has four green sepal
s and no petals.
Rosaceae
Rosaceae are a medium-sized family of flowering plants, including about 2830 species in 95 genera. The name is derived from the type genus Rosa. Among the largest genera are Alchemilla , Sorbus , Crataegus , Cotoneaster , and Rubus...
known by the common names annual burnet and prairie burnet. It is native to North America, including many areas in western and central Canada and the United States. It can be found in several types of habitat, including grassland
Grassland
Grasslands are areas where the vegetation is dominated by grasses and other herbaceous plants . However, sedge and rush families can also be found. Grasslands occur naturally on all continents except Antarctica...
, sagebrush
Sagebrush
Sagebrush is a common name of a number of shrubby plant species in the genus Artemisia native to western North America;Or, the sagebrush steppe ecoregion, having one or more kinds of sagebrush, bunchgrasses and others;...
, and disturbed areas. It is an annual or biennial herb producing a leafy, mostly erect stem up to about 90 centimeters in maximum height. The leaves are composed of several pairs of leaflets, each leaflet oval in shape and usually divided into lobes, sometimes deeply, the lobes becoming narrow, linear, or fingerlike. 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 spikelike dense cluster of up to 50 flowers held erect on a tall, naked peduncle
Peduncle (botany)
In botany, a peduncle is a stem supporting an inflorescence, or after fecundation, an infructescence.The peduncle is a stem, usually green and without leaves, though sometimes colored or supporting small leaves...
. The flower has four green sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...
s and no petals.