Erigeron lassenianus
Encyclopedia
Erigeron lassenianus is a species of flowering plant in the daisy family
known by the common name Mount Lassen fleabane.
This wildflower is endemic to the high mountains of northern California
, where it is a member of the coniferous forest understory. It grows erect or in low patches on the ground, reaching a maximum height of about 35 centimeters. Its blue-green hairy foliage grows in a basal patch and along the stem, the leaves long and straight to spoon-shaped and between 5 and 15 centimeters in length. Atop the few-branched stem is an inflorescence
of one to several flower heads
each 5 to 12 centimeters wide. The center of each head is packed with golden yellow to pinkish-orange disc florets. Some heads also have ray florets which may be lavender or pinkish.
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 Mount Lassen fleabane.
This wildflower is endemic to the high mountains of northern California
Northern California
Northern California is the northern portion of the U.S. state of California. The San Francisco Bay Area , and Sacramento as well as its metropolitan area are the main population centers...
, where it is a member of the coniferous forest understory. It grows erect or in low patches on the ground, reaching a maximum height of about 35 centimeters. Its blue-green hairy foliage grows in a basal patch and along the stem, the leaves long and straight to spoon-shaped and between 5 and 15 centimeters in length. Atop the few-branched stem is an 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...
of one to several 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 5 to 12 centimeters wide. The center of each head is packed with golden yellow to pinkish-orange disc florets. Some heads also have ray florets which may be lavender or pinkish.