Amaranthus watsonii

Taxonavigation

Taxonavigation: Caryophyllales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Ordo: Caryophyllales

Amaranthus watsonii Standl., Bull. Torrey Bot. Club 41: 505. (1914), as "Watsoni"

Lectotype (designated by Sauer, J. 1955, Madroño 13(1): 38.): Mexico, Yucatán. On sand near Guaymas. 1887-10, Edward Palmer #312. Lectotype: US US00106268; Isolectotypes: GH GH00037035, US01013502, US01013512.

Heterotypic (ref. Govaerts 2019)
- Amaranthus torreyi var. suffruticosus Uline & W.L.Bray, Bot. Gaz. 19: 272. (1894)
- Amaranthus torreyi f. prostratus Farw., Pap. Michigan Acad. Sci. 1: 93. (1923)

Native distribution areas:
Northern America Southwestern U.S.A. Arizona, California Mexico Mexico Northwest Introduced into Greece. References: Brummitt, R.K. 2001. TDGW – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Standley, P.C. 1914. New or notable species of Amaranthus. Bulletin of the Torrey Botanical Club 41(10): 505–510. BHL Reference page. : 505

Sauer, J. 1955. Revision of the dioecious Amaranths. Madroño 13(1): 5–46. BHL Reference page. : 38

Uline, E.B. & Bray, W.L. 1894. A preliminary synopsis of the North American species of Amaranthus. Botanical Gazette 19(7): 267–272, 19(8): 313–320. BHL Reference page. : 272

eFloras 2008. Amaranthus watsonii in Flora of North America . Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Govaerts, R. et al. 2019. Amaranthus watsonii in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 Sept. 10.

Hassler, M. 2019. Amaranthus watsonii. World Plants: Synonymic Checklists of the Vascular Plants of the World (2019). In: Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi, J., Penev L., eds. 2019. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2019 Sept. 10.

International Plant Names Index. 2019. Amaranthus watsonii. Published online. Accessed Sept. 10 2019.

Tropicos.org 2019. Amaranthus watsonii . Missouri Botanical Garden. Published on the internet. Accessed: 2019 Sept. 10.

USDA, ARS, Germplasm Resources Information Network. Amaranthus watsonii in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed on 2019 Sept. 10.

English: Watson's amaranth

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