Latin Common

Genus

Red Yellow White Blue Orange Green / Brown

3 or 6 petals 4 petals 5 irregular petals 5 symmetrical petals (ovary superior) 5 symmetrical petals (ovary inferior) 5 irregular petals forming a tube 5 symmetrical petals forming a tube 5 petals joined into a bell

All composites Anthemis tribe Aster tribe Chicory tribe Thistle tribe Thoroughwort tribe Sunflower tribe Everlasting tribe Senecio tribe

Many petals No obvious petals

January February March April May June July August September October November

Wildflowers of the Pacific Northwest

Trees & Shrubs of the Pacific Northwest

Weeds of the Pacific Northwest

Eastern Washington and Oregon in Bloom

Western Washington and Oregon in Bloom

Turner Photographics - Wildflowers

Sonchus arvensis

9 photos

Perennial Sow Thistle

Perennial Sow Thistle blossoms

Perennial Sow Thistle blossom detail

Perennial Sow Thistle foliage detail

Perennial Sow Thistle

Perennial Sow Thistle blossoms detail

Perennial Sow Thistle

Perennial Sow Thistles among Salt Grass & driftwood logs in salt marsh

Perennial Sow Thistles