Ranunculus uncinatus
Encyclopedia
Ranunculus uncinatus is a species of buttercup
known by the common names woodland buttercup and little buttercup. It is native to western North America from Alaska
to California
to New Mexico
, where it grows in wet, wooded habitat such as forest streambanks. It is a perennial herb producing a slender, erect stem which may exceed half a meter in maximum height. The lightly hairy lower leaves have blades deeply divided into three toothed lobes borne on long petioles
. The upper leaves are smaller and divided into narrower lobes. The flower has four or five yellow petals a few millimeters long around a central receptacle and many stamen
s and pistils
. 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 names woodland buttercup and little buttercup. It is native to western North America from Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
to 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 New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...
, where it grows in wet, wooded habitat such as forest streambanks. It is a perennial herb producing a slender, erect stem which may exceed half a meter in maximum height. The lightly hairy lower leaves have blades deeply divided into three toothed lobes borne on long petioles
Petiole (botany)
In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...
. The upper leaves are smaller and divided into narrower lobes. The flower has four or five yellow petals a few millimeters long around a central receptacle and 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...
. 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.