Thalictrum alpinum
Encyclopedia
Thalictrum alpinum is a species of flowering plant in the buttercup family
known by the common name alpine meadow-rue. It is native to Arctic
and alpine
regions of North America and Eurasia, including Alaska
, northern Canada
, and Greenland
, and it occurs in cold, wet, bog
gy habitat in high mountains farther south. It is a rhizomatous perennial herb growing up to 15 or 20 centimeters tall. Most of the leaves are basal, their compound blades divided into small scalloped leaflets. The inflorescence
is a raceme
of flowers that arches over as the flowers and fruit develop. Each flower has a bell-shaped calyx of green or purplish sepal
s bearing up to 15 long purple stamen
s tipped with large yellow anthers. There are no petals.
Ranunculaceae
Ranunculaceae are a family of about 1700 species of flowering plants in about 60 genera, distributed worldwide....
known by the common name alpine meadow-rue. It is native to Arctic
Arctic
The Arctic is a region located at the northern-most part of the Earth. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, Greenland, the United States, Norway, Sweden, Finland, and Iceland. The Arctic region consists of a vast, ice-covered ocean, surrounded by treeless permafrost...
and alpine
Alpine climate
Alpine climate is the average weather for a region above the tree line. This climate is also referred to as mountain climate or highland climate....
regions of North America and Eurasia, including 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...
, northern Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
, and Greenland
Greenland
Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...
, and it occurs in cold, wet, bog
Bog
A bog, quagmire or mire is a wetland that accumulates acidic peat, a deposit of dead plant material—often mosses or, in Arctic climates, lichens....
gy habitat in high mountains farther south. It is a rhizomatous perennial herb growing up to 15 or 20 centimeters tall. Most of the leaves are basal, their compound blades divided into small scalloped leaflets. 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 raceme
Raceme
A raceme is a type of inflorescence that is unbranched and indeterminate and bears pedicellate flowers — flowers having short floral stalks called pedicels — along the axis. In botany, axis means a shoot, in this case one bearing the flowers. In a raceme, the oldest flowers are borne...
of flowers that arches over as the flowers and fruit develop. Each flower has a bell-shaped calyx of green or purplish 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 bearing up to 15 long purple stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...
s tipped with large yellow anthers. There are no petals.