Sphaeralcea procera C. L. Porter

Porter's globe mallow



Taxonomy & Nomenclature



Conservation Status

Extinct (Humphreys et al., 2019)

Last record: 1943



New Mexico (southwstern), USA


Biology & Ecology










Original scientific description:

Porter, C. L. (1943). A new species of Sphaeralcea from New Mexico. Bulletin of the Torrey Botanical Club 70(5): 531-532.


Other references:

CPC (1990). Centre for plant conservation data for North American plants database. CPC, Centre for plant conservation.

Humphreys, Aelys M. et al. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. [Abstract] [Supplementary Dataset 1]

Kearney, T.H. 1942. The North American species of Sphaeralcea subgenus Eusphaeralcea. University of California Publications in Botany 19:1-127.

Knapp, Wesley M. et al. (2020). Vascular plant extinction in the continental United States and Canada. Conservation Biology. doi:

Knight, P. J. (1985). Status report on Sphaeralcea procera. For: U.S. Fish and Wildlife Service, New Mexico Ecological Services Field Office, Albuquerque.

La Duke, J. C. (1985). A new species of Sphaeralcea (Malvaceae). The Southwestern Naturalist 30(3): 433-436.

Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.


<< Back to the Malvales database