Helianthus couplandii
(Prairie Sunflower)

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Whole Plant in Ground

Whole Plant on Velvet


Herbarium Specimen

Herbarium Specimen



Leafy Stem




Leaf Top

Leaf Bottom


Leaf Top Close-up

Leaf Bottom Close-up


Flower Head Top

Flower Head Bottom


Flower Head Side

Flower Head Side
 


Longitudinal Section