Spiny emex
(Rumex hypogaeus)
Description
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.
Taxonomic tree:
Domain:
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order:Caryophyllales
Family:Polygonaceae
Genus:Rumex
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