Horkelia clevelandii
Encyclopedia
Horkelia clevelandii is a species of flowering plant in the rose family
known by the common name Cleveland's horkelia. It is native to the Peninsular Ranges
of southern California
and northern Baja California
. This is a perennial herb forming clumps of long, fernlike leaves and erect stems. The leaves are up to 18 centimeters long and are made up of triangular to rounded leaflets, each toothed or lobed and covered in thin hairs. The narrow stems reach 10 to 50 centimeters in height and bear inflorescence
s of several flowers. Each flower has hairy, lance-shaped bract
lets and pointed sepal
s. The narrow oval petals are white. The center of the flower contains ten stamen
s and up to 50 pistils
.
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 name Cleveland's horkelia. It is native to the Peninsular Ranges
Peninsular Ranges
The Peninsular Ranges are a group of mountain ranges, in the Pacific Coast Ranges, which stretch from southern California in the United States to the southern tip of Mexico's Baja California peninsula; they are part of the North American Coast Ranges that run along the Pacific coast from Alaska...
of southern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
and northern Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...
. This is a perennial herb forming clumps of long, fernlike leaves and erect stems. The leaves are up to 18 centimeters long and are made up of triangular to rounded leaflets, each toothed or lobed and covered in thin hairs. The narrow stems reach 10 to 50 centimeters in height and bear 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...
s of several flowers. Each flower has hairy, lance-shaped bract
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...
lets and pointed 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. The narrow oval petals are white. The center of the flower contains ten stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...
s and up to 50 pistils
Gynoecium
Gynoecium is most commonly used as a collective term for all carpels in a flower. A carpel is the ovule and seed producing reproductive organ in flowering plants. Carpels are derived from ovule-bearing leaves which evolved to form a closed structure containing the ovules...
.