BCP/Conyza canadensis


Conyza canadensis

Heads and fruits

WikipediaCommonsWikibooks (horticulture)Wikibooks (subject)WikispeciesFruit and seed clock

Profile for Conyza canadensis (Horseweed)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Heads, usually appearing "closed". Fruits present while later flowers are opening.
Stem:Stiff, densely covered by the leaves
Life Cycle: Annual
General information:Synonymous with Erigeron canadensis
Recent Logs edit

Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall

Regional data:
Southeastern Pennsylvania: (native) July, August, September October
New Hampshire: August

Additional images:

Please contribute!
Please contribute!
This page is a profile for the plant species Conyza canadensis, used to collect records of where and when this plant was observed blooming, and for providing identification information for use in dichotomous keys. If you would like to help collect data for this or other plants, see Bloom clock project/How to Contribute for orientation.