Syntrichopappus fremontii (Fremont's-gold,[1] yellowray Fremont's-gold[2] false woolly daisy, or Fremont's xerasid), is a small annual plant in the family(Asteraceae.[3] [4] [5] It has yellow flower heads and grows in the Mojave Desert, to Utah and northwestern Arizona.[5]
Syntrichopappus fremontii grows at an altitude of, in open sandy or gravelly areas, often in association with Creosote bush scrub or Joshua tree woodland vegetation. It is distributed throughout the Mojave Desert, the southwest Sonoran Desert, and parts of northwestern Arizona, southwestern Utah and northern Baja California.
Syntrichopappus fremontii grows from 1cmto11cmcm (00inchesto04inchescm) tall and is branched. It somewhat resembles Eriophyllum wallacei, but grows on higher ground and has only about half the number of ray flowers.[3]
Leaves are spoon-shaped or wedge-shaped, 5cmto20cmcm (02inchesto10inchescm) long, and may be 3-lobed at the tip.[6]
It flowers from March[3] or April[5] to June.[3] [5] The inflorescence has 5 hardened phyllaries surrounding a head of 5 yellow ray flowers with several yellow disk flowers.[3] The ray flowers have 3 strong lobes, or teeth.[3]
The fruit is an achene with a pappus of 30–40 white bristles about long, fused at their base.[3] [6]