Ranunculus lobbii
Encyclopedia
Ranunculus lobbii is a species of buttercup
known by the common name Lobb's buttercup, or Lobb's aquatic butterup. It is native to a few areas in western North America, where it is reported from British Columbia
, Oregon
, and northern California
. It is an aquatic plant
, growing in various types of shallow-water habitat, including forest pond
s and vernal pool
s. It is an annual herb producing submerged stems 20 to 80 centimeters long which may float at the surface. The blades of the leaves are tiny and divided into threadlike segments. If any leaves develop on stem parts which are exposed to air they are much different in morphology
, developing larger, more robust leaves. Flowers have generally 5 petals which are white in color and about half a centimeter long. Many stamen
s and pistils
fill the center of the flower. The fruit is an achene
borne in a spherical cluster.
Ranunculus
Ranunculus is a large genus of about 600 species of plants in the Ranunculaceae. Members of the genus include the buttercups, spearworts, water crowfoots and the lesser celandine....
known by the common name Lobb's buttercup, or Lobb's aquatic butterup. It is native to a few areas in western North America, where it is reported from British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
, and northern 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...
. It is an aquatic plant
Aquatic plant
Aquatic plants are plants that have adapted to living in aquatic environments. They are also referred to as hydrophytes or aquatic macrophytes. These plants require special adaptations for living submerged in water, or at the water's surface. Aquatic plants can only grow in water or in soil that is...
, growing in various types of shallow-water habitat, including forest pond
Pond
A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake. A wide variety of man-made bodies of water are classified as ponds, including water gardens, water features and koi ponds; all designed for aesthetic ornamentation as landscape or architectural...
s and vernal pool
Vernal pool
Vernal pools, also called vernal ponds or ephemeral pools, are temporary pools of water. They are usually devoid of fish, and thus allow the safe development of natal amphibian and insect species...
s. It is an annual herb producing submerged stems 20 to 80 centimeters long which may float at the surface. The blades of the leaves are tiny and divided into threadlike segments. If any leaves develop on stem parts which are exposed to air they are much different in morphology
Morphology (biology)
In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....
, developing larger, more robust leaves. Flowers have generally 5 petals which are white in color and about half a centimeter long. Many stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...
s and 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...
fill the center of the flower. The fruit is an achene
Achene
An achene is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent...
borne in a spherical cluster.