frog orchid

World English Dictionary
frog orchid
any of several orchids having greenish flowers thought to resemble small frogs, esp Coeloglossum viride of calcareous turf

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica

frog orchid

(Coeloglossum viride), one of two small terrestrial plants in the genus Coeloglossum (family Orchidaceae), native to open places in Great Britain, northern Eurasia, and northern North America. The flowers usually are green or brownish green, occasionally tinged with red, and occur in spikes 5 to 30 cm (2 to 12 inches) tall. The frog orchid bears three to five dark green leaves. There are two tubers below ground that fork into several parts and become threadlike roots

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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