Eriogonum incanum
Encyclopedia
Eriogonum incanum is a species of wild buckwheat
known by the common name frosted buckwheat. It is native to the Sierra Nevada of California
and extreme western Nevada
. It is also known from Oregon
.
perennial herb which forms mats up to 20 centimeters tall and 30 wide, sometimes quite a bit smaller. It has clusters of woolly, petioled
leaves one to two centimeters long which form a gray-green or yellowish layer on the sandy soil or among rocks.
The plant bears dense, rounded clusters of flowers, sometimes on erect stalks, which are yellow, red, or both. Male plants produce staminate
flowers 2 or 3 millimeters wide and female plants produce slightly larger pistillate
flowers.
Eriogonum
Eriogonum is the scientific name for a genus of flowering plants, in the family Polygonaceae. The genus is found in North America and is known as wild buckwheat. This is a highly species-rich genus, and indications are that active speciation is continuing...
known by the common name frosted buckwheat. It is native to the Sierra Nevada of 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...
and extreme western Nevada
Nevada
Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...
. It is also known from Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
.
Description
This is a dioeciousPlant 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....
perennial herb which forms mats up to 20 centimeters tall and 30 wide, sometimes quite a bit smaller. It has clusters of woolly, petioled
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...
leaves one to two centimeters long which form a gray-green or yellowish layer on the sandy soil or among rocks.
The plant bears dense, rounded clusters of flowers, sometimes on erect stalks, which are yellow, red, or both. Male plants produce staminate
Stamen
The stamen is the pollen producing reproductive organ of a flower...
flowers 2 or 3 millimeters wide and female plants produce slightly larger pistillate
Gynoecium
Gynoecium is most commonly used as a collective term for all carpels in a flower. A carpel is the ovule and seed producing reproductive organ in flowering plants. Carpels are derived from ovule-bearing leaves which evolved to form a closed structure containing the ovules...
flowers.