Hook. & Arn.
There is only one known species Amblyopappus pusillus, known by the common name dwarf coastweed. This plant is native to Baja California in Mexico and the coast of southern California in the United States. It can also be found on the west coast of Chile and Peru in South America.
Amblyopappus pusillus is an aromatic annual herb with an erect stem up to 40 centimeters in height. The stem turns dark red with age. It is covered in narrow fleshy leaves and each small branch of the stem is topped with an inflorescence of one to several rounded budlike yellow flowers. The bracts are green, often with reddish edges.
- Flann, C (ed) 2009+ Global Compositae Checklist
- Flora of North America Amblyopappus Hooker & Arnott
- Hooker, William Jackson & Arnott, George Arnott Walker . 1841. Journal of Botany, being a second series of the Botanical Miscellany 3(22): 321-322 descriptions in Latin, commentary in English
- Tropicos, Amblyopappus Hook. & Arn.
- Marticorena, C. & M. Quezada. 1985. Catálogo de la Flora Vascular de Chile. Gayana, Bot. 42: 1–157
- Biota of North America Program 2014 cuonty distribution map
- Calflora taxon report, University of California, Amblyopappus pusillus Hook. & Arn. amblyopappus, dwarf coastweed, pineapple weed
- Jepson Manual Treatment
- United States Department of Agriculture Plants Profile
- Calphotos Photo gallery,University of California
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