Eriophyllum confertiflorum
Encyclopedia
Eriophyllum confertiflorum, known by the common name Golden yarrow or Yellow yarrow, is a flowering plant in the daisy family
.
. It is native to California
and Baja California
, and its range may extend into Arizona
. It can be found in a number of plant communities and habitats.
of up to 30 flower heads
, each bright golden yellow head with a large center of disc florets and usually a fringe of rounded to oval ray florets. The fruit is an achene
with a very short pappus
.
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
.
Distribution
This is a highly variable plant which is generally a small shrubShrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...
. It is native 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...
and Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...
, and its range may extend into Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
. It can be found in a number of plant communities and habitats.
Description
The plant grows in large clumps or stands of many erect stems often exceeding half a meter in height. It has greenish to gray-green stems and foliage, the leaves sharply lobed and divided. The top of each stem is occupied by an inflorescenceInflorescence
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...
of up to 30 flower heads
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
, each bright golden yellow head with a large center of disc florets and usually a fringe of rounded to oval ray florets. The fruit is an achene
Achene
An achene is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent...
with a very short pappus
Pappus (flower structure)
The pappus is the modified calyx, the part of an individual disk, ray or ligule floret surrounding the base of the corolla, in flower heads of the plant family Asteraceae. The pappus may be composed of bristles , awns, scales, or may be absent. In some species, the pappus is too small to see...
.
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