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 December

Turner Photographics - Wildflowers

St. John's Wort

Hypericum anagalloides

Hypericum anagalloides

Tinker's penny

Hypericum perforatum

Hypericum perforatum

common St. John's wort

Hypericum scouleri ssp. nortoniae

Hypericum scouleri ssp. nortoniae

western St. John's wort