species 4,230 observations
Purplestem Beggarticks
Bidens connata
Field notes
Bidens connata , the purplestem beggarticks or London bur-marigold, is a species of flowering plant in the family Asteraceae. It is widespread across much of Eurasia, North Africa, and North America, and naturalized in Australia and on certain Pacific Islands.
Bidens connata is an annual herb up to 200 cm (80 inches) tall. It produces as many as 3 yellow flower heads containing both disc florets and ray florets. The species grows in marshes and other wet sites.
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Caterpillars
Moths and butterflies raised on it
Dainty Sulphur, Bidens Borer Moth, Beggartick Leaffolder Moth, American Sunflower Moth
7
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Specialist bees
Bees whose young are raised on the pollen of it
Giant Sweat Bee, Melissodes dentiventris, Valiant Long-horned Bee, Aster Cellophane Bee
8
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Hosted animals
Gall makers, leaf miners and other animals living on or in it
Liriomyza cracentis, Asphondylia ovata
2
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Plant eaters
Animals that feed on it
Tansy Aphid, Redpoll, Snow Bunting, Tupelo-blackjack Aphid
9
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Flower visitors
Pollinators and other flower visitors
Hairy-eyed Flower Fly, Common Eastern Bumble Bee, American Bumble Bee, Pure Green Sweat Bee
65
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Light
- Part shade
- Water use
- High
- Plant type
- Annual Wildflower
From USDA PLANTS and the Lady Bird Johnson Wildflower Center.