adder's-tongue fern
adder's-tongue fern
adder's-tongue fern
n.（名词）
Any of various ferns in the genusOphioglossum, having leaves divided into a simple, sterile blade and a slender, spikelike spore-bearing segment. Also called adder's-tongue
瓶尔小草蕨：多种瓶尔小草属 的蕨类植物中任何一种，叶子分成单一的、雌雄蕊俱无的叶片，具有细长的、穗状的含孢子体节 也作 adder's-tongue
ORIGIN
[From the resemblance of the spike at the base of the frond to a snake's tongue]
[源于其前面基部的穗与蛇之舌相似]
