1) Genus spiranthes 2) Liliopsid genus 3) Monocot genus 
== Description == These are perennial herbs growing from fleshy root systems that are sometimes thick and appear tuberous. Most of the leaves are basal, but some species have leaves higher on the stem before the inflorescence matures, often taking the form of a sheath around the stem. The inflorescence is a terminal spike with flowers arranged in ...
[n] - large cosmopolitan genus of white-flowered terrestrial orchids
genus Spiranthes noun large cosmopolitan genus of white-flowered terrestrial orchids