Ivesia gordonii
Encyclopedia
Ivesia gordonii is a species of flowering plant in the rose family
known by the common name Gordon's mousetail. It is native to the mountain ranges of the western United States from California
to Montana
. This is a tuft-forming perennial plant which grows in rocky areas. It produces a clump of erect stems and tail-like leaves. Each leaf is a thick, rounded strip of small, green, lobed leaflets which overlap. The thin, naked stems reach 5 to 20 centimeters tall. They bear hairy, glandular inflorescence
s of clustered flowers. Each flower has five yellow-green triangular sepal
s and five tiny spoon-shaped yellow petals. In the mouth of the flower are five stamen
s and a few thready 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 Gordon's mousetail. It is native to the mountain ranges of the western United States from 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...
to Montana
Montana
Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...
. This is a tuft-forming perennial plant which grows in rocky areas. It produces a clump of erect stems and tail-like leaves. Each leaf is a thick, rounded strip of small, green, lobed leaflets which overlap. The thin, naked stems reach 5 to 20 centimeters tall. They bear hairy, glandular 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 clustered flowers. Each flower has five yellow-green triangular 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 five tiny spoon-shaped yellow petals. In the mouth of the flower are five stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...
s and a few thready 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...
.