1. (noun) a ray of sunlight

• sunbeam

2. (noun) herb having a basal cluster of grey-green leaves and leafless stalks each with a solitary broad yellow flower head; desert areas Idaho to Arizona

• enceliopsis nudicaulis

3. (noun) a ray of artificial ultraviolet light from a sunray lamp

• sun-ray

1. (noun) a ray of sunlight

• beam
• beam of light
• irradiation
• light beam
• ray
• ray of light
• shaft
• shaft of light

2. (noun) herb having a basal cluster of grey-green leaves and leafless stalks each with a solitary broad yellow flower head; desert areas Idaho to Arizona

• wild flower
• wildflower

3. (noun) a ray of artificial ultraviolet light from a sunray lamp

• ultraviolet
• ultraviolet illumination
• ultraviolet light
• ultraviolet radiation
• uv

1. (noun) herb having a basal cluster of grey-green leaves and leafless stalks each with a solitary broad yellow flower head; desert areas Idaho to Arizona

• enceliopsis
• genus enceliopsis