1. Showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus
   - Siberian wall flower, Erysimum allionii

Type of: wallflower

Part of: Erysimum, genus Erysimum

• Steller sea lion
• Steller's sea cow
• Steller's sea lion
• stelliform
• Stellite
• stem
• stem blight
• stem canker
• stem cell
• stem ginger
• stem lettuce
• stem turn
• stem vowel
• stem-cell research
• stem-winder
• stemless
• stemless carline thistle
• stemless daisy
• stemless golden weed
• stemless hymenoxys
• stemma
• stemmatic
• stemmatics
• stemmatology
• stemmed