Ly·go·di·um n.  Bot. A genus of ferns with twining or climbing fronds, bearing stalked and variously-lobed divisions in pairs.
  Note: ☞ Lygodium palmatum, much prized for indoor ornament, inhabits shaded and moist grassy places, from Massachusetts to Virginia and Kentucky, and sparingly southwards.
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  Lygodium
       n : chiefly tropical climbing ferns [syn: genus Lygodium]