Eriophyllum jepsonii
Encyclopedia
Eriophyllum jepsonii is a species of flowering plant in the aster family
known by the common name Jepson's woolly sunflower. It is endemic to California
, where it is known from the Central Coast Ranges and adjacent hills from Contra Costa
to Ventura Counties
. It grows in dry habitat such as chaparral
and oak woodland. This is a small shrub
producing woolly, whitish stems 50 to 80 centimeters tall. It is lined with lobed oval leaves each a few centimeters long and coated in woolly fibers. The inflorescence
produces one or more flower head
s containing many glandular or bristly yellowish disc florets and 6 to 8 yellow ray florets each up to a centimeter long. The fruit is an achene
tipped with a pappus
of approximately 8 scales.
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...
known by the common name Jepson's woolly sunflower. 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 from the Central Coast Ranges and adjacent hills from Contra Costa
Contra Costa County, California
Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...
to Ventura Counties
Ventura County, California
Ventura County is a county in the southern part of the U.S. state of California. It is located on California's Pacific coast. It is often referred to as the Gold Coast, and has a reputation of being one of the safest populated places and one of the most affluent places in the country...
. It grows in dry habitat such as chaparral
Chaparral
Chaparral is a shrubland or heathland plant community found primarily in the U.S. state of California and in the northern portion of the Baja California peninsula, Mexico...
and oak woodland. This is a small shrub
Shrub
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...
producing woolly, whitish stems 50 to 80 centimeters tall. It is lined with lobed oval leaves each a few centimeters long and coated in woolly fibers. 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...
produces one or more flower head
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
s containing many glandular or bristly yellowish disc florets and 6 to 8 yellow ray florets each up to a centimeter long. 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...
tipped with a 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...
of approximately 8 scales.