American Heritage® Dictionary of the English Language, Fourth Edition
- n. An eastern North American woodland plant (Jeffersonia diphylla) having basal leaves deeply cleft into two kidney-shaped lobes and a solitary white flower borne on a long scape.
Century Dictionary and Cyclopedia
- n. An American herb, Jeffersonia diphylla: so named from the pair of leaflets into which the blade of the leaf is divided. See cut on following page.
- n. jeffersonia
GNU Webster's 1913
- n. (Bot.) See jeffersonia.
- twin + leaf (Wiktionary)
“So it was with some consternation that the local field botanist found two of her favorite early flowers - sprigs of white and purple twinleaf - in full bloom in the chill of late March.”
“She scanned the rock face for signs of the butterfly-shaped leaves of the twinleaf”
“That's why plants like harbinger of spring and twinleaf are called ephemerals, Fleming explained: The blooms last barely a week.”
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