In botany, having sporangia (spore-containing structures) on both sides; describing ferns or similar plants with spore cases distributed on both surfaces.
From Latin 'ambi-' (both) + 'sporangium' (from Greek 'spora', seed + 'angion', vessel) + '-ate' (suffix). A technical botanical term for fern morphology.
Ferns are incredibly intricate—some have little spore-producing dots (sori) on the undersides of their fronds, but ambisporangiate ferns cleverly put them on both surfaces for maximum spore dispersal!
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