adder's-tongue fern


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adder's-tongue fern

n.
Any of various ferns in the genus Ophioglossum, having an erect stem that branches into a single oval blade and a spikelike spore-bearing stalk. Also called adder's-tongue.

[From the resemblance of the spike at the base of the frond to a snake's tongue.]
References in periodicals archive ?
Wild flowers and plants to look out for include wood cranesbill, Ragged-Robin, globeflower, adder's-tongue fern and lady's mantle.
The abundant plant life includes agrimony, Dyer's greenweed, St John's wort, adder's-tongue fern, cowslip and common twayblade, as well as early purple orchid, common spotted orchid, bee orchid, and greater butterfly orchid, which occur in glades in the scrub.
The area supports a rich variety of plants such as agrimony, dyer's greenweed, St John's wort, adder's-tongue fern, cowslip, and common twayblade, as well as early purple orchid, common spotted orchid, bee orchid, and greater butterfly orchid.
Members of Ophioglossales and Polypodiales belong to the division Polypodiophyta and are often called "true ferns." The order Ophioglossales in Alabama include the adder's-tongue ferns (Ophioglossum) and grapeferns (Botrychium).