Lomatium rigidum
Encyclopedia
Lomatium rigidum is a species of flowering plant in the carrot family
known by the common names Big Pine biscuitroot and stiff lomatium. It is endemic to Inyo County, California
, where it is known only from the wilderness around the Big Pine
area of the Owens Valley
.
. There is generally no stem, the leaves and inflorescence
emerging at ground level. The hairless gray-green leaf blades are made up of several sharp-toothed, fleshy segments. The inflorescence
is a webbed umbel
of tiny yellow flowers.
Apiaceae
The Apiaceae , commonly known as carrot or parsley family, is a group of mostly aromatic plants with hollow stems. The family is large, with more than 3,700 species spread across 434 genera, it is the sixteenth largest family of flowering plants...
known by the common names Big Pine biscuitroot and stiff lomatium. It is endemic to Inyo County, California
Inyo County, California
-National protected areas:* Death Valley National Park * Inyo National Forest * Manzanar National Historic Site-Major highways:* U.S. Route 6* U.S. Route 395* State Route 127* State Route 136* State Route 168* State Route 178...
, where it is known only from the wilderness around the Big Pine
Big Pine, California
Big Pine is a census-designated place in Inyo County, California, United States. Big Pine is located south-southeast of Bishop, at an elevation of 3990 feet . The population was 1,756 at the 2010 census, up from 1,350 at the 2000 census...
area of the Owens Valley
Owens Valley
Owens Valley is the arid valley of the Owens River in eastern California in the United States, to the east of the Sierra Nevada and west of the White Mountains and Inyo Mountains on the west edge of the Great Basin section...
.
Description
Lomatium rigidum is a perennial herb growing up to about half a meter-1.5 feet tall from a large taprootTaproot
A taproot is an enlarged, somewhat straight to tapering plant root that grows vertically downward. It forms a center from which other roots sprout laterally.Plants with taproots are difficult to transplant...
. There is generally no stem, the leaves and 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...
emerging at ground level. The hairless gray-green leaf blades are made up of several sharp-toothed, fleshy segments. 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 webbed umbel
Umbel
An umbel is an inflorescence which consists of a number of short flower stalks which are equal in length and spread from a common point, somewhat like umbrella ribs....
of tiny yellow flowers.