Sonchus arvensis

(Perennial Sow-Thistle)

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In Ground Photos

Inflorescence

Flower Heads


Lower Stem


Lower Stem Close-Up

Plants at Bengough Regional Park

Lower Third of Plant

Middle Third of Plant


Upper Third of Plant



Lowest Quarter of Plant


Second Lowest Quarter of Plant


Third Lowest Quarter of Plant


Uppermost Quarter of Plant


Rhizome


Rhizome


Lower Leaf Top


Lower Leaf Bottom


Middle Leaf Top


Middle Leaf Bottom


Upper Leaf Top


Upper Leaf Bottom


Inflorescence


Flower Head Bottom


Flower Head Top


Flower Head Top


Flower Head Side


Flower Head Side

Plants at Moose Mountain Provincial Park

Whole Plant


Stem Cut Open


Stem Cross Section


Mid-Lower Leaf Top


Mid-Lower Leaf Bottom


Middle Leaf Top


Middle Leaf Bottom


Mid-Upper Leaf Top


Mid-Upper Leaf Bottom


Upper Leaf Top


Upper Leaf Bottom


Inflorescence Leaf Top


Inflorescence Leaf Bottom


Inflorescence Leaf Top


Inflorescence Leaf Bottom


Flower Head Top


Flower Head Top/Side


Flower Head Side


Flower Head Longitudinal Section


Flower Head Bottom


Fruiting Head


Achene


Achene Close-Up