Erigeron inornatus
Encyclopedia
Erigeron inornatus is a species of flowering plant in the daisy family
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 California rayless fleabane.

It is native to the west coast of the United States, where it can be found in several plant communities, from 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...

 to mountain forests. This wildflower is a perennial daisy variable in appearance, reaching anywhere from 10 centimeters to nearly a meter in height, with hairy or hairless foliage. The leaves extend all the way up the stem and are narrow and several centimeters long. Atop each branch of the 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 at least five 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 about a centimeter wide and flat-topped. They contain golden yellow to wispy white disc florets and no ray florets.

External links

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