Rumex hypogaeus
Rumex hypogaeus (synonym Emex australis), commonly known in English as southern threecornerjack,[1] devil's thorn, or double gee[2] (also doublegee, from the old Afrikaner name dubbeltge-doorn - 'double thorned'), 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.
| Rumex hypogaeus | |
|---|---|
 | |
| The fruits, most often almost black in colour | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Rumex |
| Species: | R. hypogaeus |
| Binomial name | |
| Rumex hypogaeus T.M.Schust. & Reveal | |
References
- "Emex australis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 18 January 2016.
- "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
External links
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