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One common name of the Echinocactus grusonii cactus pictured is mother-in-law’s cushion, obviously named by someone who didn’t think much of their mother-in-law, as the barrel cactus has some very dangerous-looking spines emerging from a soft cushion at the top. The cactus can be seen growing in the arid house of the winter garden glasshouse in the lower botanic garden.
Dracaena trifasciata has a similar common name, mother-in-law’s tongue, due to the sharp point at the end of
the long leaves.
Lily of the valley is a prime example of various plants taking on the same common name. There is lily of the valley (Convallaria majalis), lily of the valley tree (Clethera arborea), as well as lily of the valley shrub (Pieris japonica). None of these plants are related to lilies and are not even that closely related to each other.
The large Amorphophallus titanum that flowered here earlier this year and in 2018 is appropriately called the corpse flower due to the foul smell it produces in trying to a mimic dead animal to attract pollinators.
The common weed, Galium aparine, can be known as sticky willy and the name, just like the plant, has always stuck.
Garden Life is produced by Dunedin Botanic Garden. For further information contact Stephen Bishop.