ruderal
Concise Oxford English Dictionary © 2008 Oxford University Press:
ruderal /ˈruːd(ə)r(ə)l/ Botany
▶adjective (of a plant) growing on waste ground or among rubbish. ▶noun a ruderal plant.
– origin C19: from mod. L. ruderalis, from L. rudera, pl. of rudus ‘rubble’.
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