Summary ¹

Emex australis, commonly known in English as Three corner jack, devil's thorn, or double gee (also doublegee, from the old Afrikaner name dubbeltge-doorn - 'devil's thorn'), is a herbaceous plant of the Polygonaceae. It occurs indigenously in South Africa and is also an invasive species in Australia & Texas in the USA.

Sources and Credits

1. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Emex_australis

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• SEINet Symbiota portals
• Tropicos
• World Flora Online

iNat Map