Growing or developing from the base, or originating at the base of a plant or fungal structure.
From Greek 'basis' (base) + Latin '-genous' (producing, generating). This botanical adjective has been used since the 18th century to describe growth patterns in plants and fungi.
Basigenous is how scientists describe plants that build themselves from the ground up—the base is the 'generator' of all the growth above, which is why mushrooms are often basigenous.
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