adder's tongue

Thesaurus

Noun

1.

adder's tongue - ferns with fertile spikes shaped like a snake's tongue adder's tongue fern fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores genus Ophioglossum, Ophioglossum - the type genus of the fern family Ophioglossaceae Ophioglossum pendulum, ribbon fern - epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America

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