Acamptopappus shockleyi, or Shockley's goldenhead, is a perennial subshrub in the family Asteraceae found in and near the eastern Mojave Desert in southern Nevada and southeastern California.Kartesz, J.T. 1988. A flora of Nevada. University of Nevada, RenoMojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 183Biota of North America Program 2014 county distribution map
Description Acamptopappus shockleyi is a perennial subshrub. Flower heads are borne singly, with both ray flowers and disk flowers, compared to Acamptopappus sphaerocephalus which also grows in the Mojave Desert but has only disc flowers on heads in corymbose arrays.Flora of North America Vol. 20 Page 5, 184 Goldenhead Acamptopappus (A. Gray) A. Gray, Proc. Amer. Acad. Arts. 8: 634. 1873.Lane, M. A. 1988. Generic relationships and taxonomy of Acamptopappus (Compositae: Astereae). Madroño 35: 247–265.
Acamptopappus shockleyi grows from in flats and washes of the eastern Mojave Desert, White Mountains, Inyo Mountains, and areas of southern Nevada.
Conservation , the conservation group NatureServe listed Acamptopappus shockleyi as Vulnerable (G3) worldwide. This status was last reviewed on 21 January 1998. At the state level, this species is listed as No Status Rank (not assessed) in California, and Apparently Secure (S4) in Nevada. Taxonomy
Etymology The species is named after William Hillman Shockley.
References
External links Calflora Database: Acamptopappus shockleyi (Shockley's goldenhead)