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