Lupinus angustiflorus
Encyclopedia
Lupinus angustiflorus is a species of lupin
e known by the common name narrowflower lupine. It is endemic to California
, where it grows in the volcanic soils of the northeastern mountains and Modoc Plateau
. It is an erect perennial herb sometimes exceeding one meter in height. Each palmate leaf is made up of 6 to 9 leaflets each up to 6 centimeters long. The inflorescence
is up to 34 centimeters long, bearing many flowers each roughly a centimeter long. The flower is cream to pale yellow-orange with a patch of deeper yellow or orange on its banner. The keeled lower petals may be tipped with lavender. The fruit is a hairy legume pod up to 4 centimeters long.
Lupin
Lupinus, commonly known as Lupins or lupines , is a genus in the legume family . The genus comprises about 280 species , with major centers of diversity in South and western North America , and the Andes and secondary centers in the Mediterranean region and Africa Lupinus, commonly known as Lupins...
e known by the common name narrowflower lupine. It is endemic 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...
, where it grows in the volcanic soils of the northeastern mountains and Modoc Plateau
Modoc Plateau
The Modoc Plateau lies in the northeast corner of California as well as parts of Oregon and Nevada. It is a mile-high expanse of lava flows with cinder cones, juniper flats, pine forests, and seasonal lakes. The plateau is thought to have been formed approximately 25 million years ago...
. It is an erect perennial herb sometimes exceeding one meter in height. Each palmate leaf is made up of 6 to 9 leaflets each up to 6 centimeters long. 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 up to 34 centimeters long, bearing many flowers each roughly a centimeter long. The flower is cream to pale yellow-orange with a patch of deeper yellow or orange on its banner. The keeled lower petals may be tipped with lavender. The fruit is a hairy legume pod up to 4 centimeters long.