Draba incrassata
Encyclopedia
Draba incrassata is an uncommon species of flowering plant in the mustard family
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

 known by the common name Sweetwater Mountains draba. 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 is known mainly from the Sweetwater Mountains
Sweetwater Mountains
The Sweetwater Mountains is a small mountain range in Northern Mono County, California and Western Lyon County, Nevada, separating the West Walker River from the East Walker River. Most of the range is only accessible by four wheel drive vehicle, on foot, or pack animal. Most of the range is...

 of Mono County
Mono County, California
Mono County is a county located in the east central portion of the U.S. state of California, to the east of the Sierra Nevada between Yosemite National Park and Nevada. As of the 2010 census, the population was 14,202, up from 12,853 at the 2000 census...

. It grows in alpine rock fields
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....

 on the barren high mountain peaks. This is a small perennial herb forming mats of thick, oval-shaped leaves. Each leaf is under 1.5 centimeters long and mostly hairless except for a prominent fringe of long hairs along the edges. The erect 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...

 bears several flowers with yellow petals just a few millimeters long. The fruit is an oval silique
Silique
A silique or siliqua is a fruit of 2 fused carpels with the length being more than three times the width. The outer walls of the ovary usually separate when ripe, leaving a persistent partition...

up to about a centimeter long and containing several seeds.

External links

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