helianthus angustifolius   (TTS Sound)

The helianthus_angustifolius has 1 Senses.

• swamp sunflower, helianthus angustifolius
• sunflower of eastern North America having narrow leaves and found in bogs
• 沼地に見られる、細長い葉を持つ、北米東部産のヒマワリ