Robuta

https://www.fellabees.com/shop/p/prairie-sunflower-helianthus-petiolaris Prairie Sunflower (Helianthus petiolaris) — Fellabees & Nativeseeds Prairie Sunflower is a tap-rooted annual, growing up to 4 feet tall. Each flower has both male and female parts for pollination. Tall, hairy stems attract... prairie sunflowerhelianthus petiolaris