Helianthus maximilianii
(Narrow-leaved Sunflower)

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Whole Plant on Velvet

Upper Plant on Velvet



Upper Plant on Velvet


Herbarium Specimen



Herbarium Specimen



Stem


Leaf Top

Leaf Bottom


Leaf

Leaf Top Close-up


Leaf Bottom Close-up

Inflorescence


Stem and Flower Head

Stem and Flower Head


Top of Flower Head

Bottom of Flower Head



Side of Flower Head

Longitudinal Sectional