twayblade

(twāblād′)

noun

any of various native, soil-inhabiting orchids (esp. genera Listera and Liparis) having opposite, paired leaves

Origin: archaic tway, two (ME twei, var. of twene: see twain) + blade

See twayblade in American Heritage Dictionary 4

noun
Any of numerous small terrestrial orchids of the genera Liparis and Listera, having usually two basal leaves and a terminal cluster of greenish or purplish flowers.

Origin:

Origin: Obsolete tway, two (short for Middle English twaine; see twain)

Origin: + blade (translation of Medieval Latin bifolium, two-leaf)

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