1. Not having a floral envelope or perianth

Antonym: chlamydeous

• water down
• water dragon
• water dropwort
• water elm
• water faucet
• water fennel
• water fern
• water filter
• water flaxseed
• water flea
• water fountain
• water gage
• water gap
• water gas
• water gate
• water gauge
• water gillyflower
• water glass
• water gum
• water gun
• water hammer
• water hazard
• water heater
• water hemlock
• water hen