Thalictrum sparsiflorum
Encyclopedia
Thalictrum sparsiflorum is a species of flowering plant in the buttercup family
known by the common name fewflower meadow-rue. It is native to northwestern North America and parts of northeastern Asia. It grows in moist habitat, such as streambanks and forest understory. It is a perennial herb producing erect stems up to about a meter in maximum height. The leaves have compound blades divided into a few or many segments which are borne on long, slender petioles
. The blades are usually finely hairy and glandular. The inflorescence
is a leafy panicle
of flowers. Unlike some other Thalictrum
species which are dioecious
, this species has bisexual flowers. Each has a calyx of five greenish sepal
s, and up to 20 light-colored dangling stamen
s tipped with large anthers. The flowers develop into compressed, beaked fruits.
Ranunculaceae
Ranunculaceae are a family of about 1700 species of flowering plants in about 60 genera, distributed worldwide....
known by the common name fewflower meadow-rue. It is native to northwestern North America and parts of northeastern Asia. It grows in moist habitat, such as streambanks and forest understory. It is a perennial herb producing erect stems up to about a meter in maximum height. The leaves have compound blades divided into a few or many segments which are borne on long, slender 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 blades are usually finely hairy and glandular. 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 leafy panicle
Panicle
A panicle is a compound raceme, a loose, much-branched indeterminate inflorescence with pedicellate flowers attached along the secondary branches; in other words, a branched cluster of flowers in which the branches are racemes....
of flowers. Unlike some other Thalictrum
Thalictrum
Thalictrum is a genus of 120-200 species of herbaceous perennial flowering plants in the buttercup family native mostly to temperate regions....
species which are dioecious
Plant sexuality
Plant sexuality covers the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants....
, this species has bisexual flowers. Each has a calyx of five greenish 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 up to 20 light-colored dangling stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...
s tipped with large anthers. The flowers develop into compressed, beaked fruits.