Thermopsis gracilis
Encyclopedia
Thermopsis gracilis is a species of flowering plant in the legume family
known by the common name slender goldenbanner. It is native to the northwestern United States, where it grows in open mountain forests and other habitat.
perennial herb producing a fuzzy-haired, hollow stem up to a meter tall. Each leaf has three leaflets as well as stipule
s that look like leaflets. The inflorescence
is a raceme
of many bright yellow pealike flowers each measuring 2 centimeters long or more. The fruit is a leathery legume pod containing the seeds.
Fabaceae
The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and economically important family of flowering plants. The group is the third largest land plant family, behind only the Orchidaceae and Asteraceae, with 730 genera and over 19,400 species...
known by the common name slender goldenbanner. It is native to the northwestern United States, where it grows in open mountain forests and other habitat.
Description
Thermopsis gracilis is a rhizomatousRhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...
perennial herb producing a fuzzy-haired, hollow stem up to a meter tall. Each leaf has three leaflets as well as stipule
Stipule
In botany, stipule is a term coined by Linnaeus which refers to outgrowths borne on either side of the base of a leafstalk...
s that look like 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 many bright yellow pealike flowers each measuring 2 centimeters long or more. The fruit is a leathery legume pod containing the seeds.