bugbane 
noun
A tall plant of the buttercup family, with spikes of cream or yellow flowers and fern-like leaves, native to north temperate regions.
- Genus Cimicifuga, family Ranunculaceae: several species, in particular C. foetida.
- Wood anemones, epimediums, bugbanes, and toad lilies create intricate tapestries under flowering shrubs and trees.
- Throughout the woodlands, color can be found in late-blooming azaleas, lilies, bugbanes, hostas, and hydrangeas.
Origin
Early 19th century: from bug + bane, with reference to the former use of the species C. foetida to drive away bedbugs.
- autosuggestive
- autoswitch
- autoswitching
- autotelic
- autotest
- autotetraploid
- autotetraploidy
- auto theft
- autotheism
- autotheist
- autotheistic
- autotherapist
- autotherapy
- autothrottle
- auto-timer
- autotomic
- autotomise
- autotomize
- autotomizing
- autotomous
- autotomy
- autotoxaemia
- autotoxemia
- autotoxic
- autotoxication