Eriophyllum nubigenum
Encyclopedia
Eriophyllum nubigenum, with the common name Yosemite woolly sunflower, is an uncommon flowering plant in the daisy family
.
is a cluster of small golden yellow flower heads
with millimeter-long ray florets.
, where it is known only from the Sierra Nevada in and around Yosemite National Park
.
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...
.
Description
Eriophyllum nubigenum is an annual herb with a densely woolly stem up to 15 centimeters tall. The oblong leaves are one to two centimeters long, untoothed, and woolly in texture. The 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...
is a cluster of small golden yellow flower heads
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
with millimeter-long ray florets.
Distribution
Eriophyllum nubigenum is endemic to CaliforniaCalifornia
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 only from the Sierra Nevada in and around Yosemite National Park
Yosemite National Park
Yosemite National Park is a United States National Park spanning eastern portions of Tuolumne, Mariposa and Madera counties in east central California, United States. The park covers an area of and reaches across the western slopes of the Sierra Nevada mountain chain...
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