Cirsium undulatum
(Wavy-Leaved Thistle)

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Upper Plant

Early Basal Leaves

Flower Heads

Flower Heads Close-Up

Lower Half of Plant

Upper Half of Plant

Lowest Green Cauline Leaf Top

Lowest Green Cauline Leaf Bottom

Middle Cauline Leaf Top

Middle Cauline Leaf Bottom

Mid-Upper Cauline Leaf Top

Mid-Upper Cauline Leaf Bottom

Upper Cauline Leaf Top

Upper Cauline Leaf Bottom

Unopened Flower Head Side

Flower Head Side

Early Flower Head Top

Flower Head Top

Flower Head Longitudinal Section

Single Floret

Single Floret, Parts Spread Out