1. North American nightshade with prickly foliage and racemose yellow flowers
   - buffalo bur

Type of: nightshade

• worsted
• worsted yarn
• wort
• worth
• worthful
• worthily
• worthiness
• worthless
• worthlessly
• worthlessness
• worthwhile
• worthwhileness
• worthy
• Wotan
• wotcha
• wotcher
• Wouk
• would
• would-be
• wouldn't
• wouldst
• wound
• wound tumor virus
• wound tumour virus
• wound up