Syntrichopappus
Encyclopedia
Syntrichopappus is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of flowering plants 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...

. There are two species, known generally by the common name Fremont's gold. They are petite annual herbs native to the southwestern United States.

Syntrichopappus fremontii (yellowray Fremont's gold) is native to desert regions of the American southwest and adjacent 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...

. It is a small woolly herb just a few centimeters tall bearing 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 usually five toothed yellow ray florets.

Syntrichopappus lemmonii (pinkray Fremont's gold) 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 can be found in the southern coastal mountain ranges, including the Transverse Ranges
Transverse Ranges
The Transverse Ranges are a group of mountain ranges of southern California, in the Pacific Coast Ranges physiographic region that runs along the Pacific coast from Alaska to Mexico in North America. The Transverse Ranges begin at the southern end of the California Coast Ranges and lie between...

. Its flower heads contain white, red-veined ray florets with pink undersides.

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