Romerillo
Bidens alba
Also known as: Crowned Beggarticks
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Bidens
- Species:
- Bidens alba
Growth Characteristics
- Life Cycle:
- Annual | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 3-4 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may, sep, oct, nov
- Bloom Colors:
- white, yellow
Native Range
United States: Alabama, Connecticut, Delaware, Florida, Georgia, Guam, Hawaii, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, Navassa Island, New Jersey, New Mexico, New York, Ohio, Pennsylvania, Puerto Rico, Palau, Rhode Island, South Carolina, South Dakota, Tennessee, U.S. Minor Outlying Islands, Virginia, Virgin Islands, Wisconsin, West Virginia, Canada: Ontario, Quebec
Keystone Species Ranking
- Bee Keystone:
- ★★★☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Host Plant for Caterpillars
Goldenrod Stowaway (Cirrhophanus triangulifer)
Reported Fauna Sightings
Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Common eastern bumble bee (Bombus impatiens), Common eastern bumble bee (Bombus impatiens) Butterflies:Broad-winged Skipper (Poanes viator), Broad-winged Skipper (Poanes viator), Byssus Skipper (Problema byssus), Byssus Skipper (Problema byssus), Cassius Blue (Leptotes cassius), Cassius Blue (Leptotes cassius), Clouded Skipper (Lerema accius), Clouded Skipper (Lerema accius), Cloudless Sulphur (Phoebis sennae), Cloudless Sulphur (Phoebis sennae), Common Buckeye (Junonia coenia), Common Buckeye (Junonia coenia), Dun Skipper (Euphyes vestris), Dun Skipper (Euphyes vestris), Eastern Tiger Swallowtail (Pterourus glaucus), Eastern Tiger Swallowtail (Pterourus glaucus), Fiery Skipper (Hylephila phyleus), Fiery Skipper (Hylephila phyleus), Gray Hairstreak (Strymon melinus), Gray Hairstreak (Strymon melinus), Gulf Fritillary (Dione vanillae), Gulf Fritillary (Dione vanillae), Horace's Duskywing (Gesta Evans), Lace-winged Roadside-Skipper (Amblyscirtes aesculapius), Lace-winged Roadside-Skipper (Amblyscirtes aesculapius), Little Glassywing (Vernia verna), Little Glassywing (Vernia verna), Little Yellow (Pyrisitia lisa), Little Yellow (Pyrisitia lisa), Long-tailed Skipper (Urbanus proteus), Long-tailed Skipper (Urbanus proteus), ⚠️Monarch (Danaus plexippus), Ocola Skipper (Panoquina ocola), Ocola Skipper (Panoquina ocola), Painted Lady (Vanessa cardui), Painted Lady (Vanessa cardui), Palamedes Swallowtail (Pterourus palamedes), Palatka Skipper (Euphyes pilatka), Palatka Skipper (Euphyes pilatka), Red-banded Hairstreak (Calycopis cecrops), Red-banded Hairstreak (Calycopis cecrops), Red-Spotted Purple (astyanax) (Limenitis arthemis), Red-Spotted Purple (astyanax) (Limenitis arthemis), Silver-spotted Skipper (Epargyreus clarus), Silver-spotted Skipper (Epargyreus clarus), Sleepy Orange (Abaeis nicippe), Sleepy Orange (Abaeis nicippe), Southern Broken-Dash (Polites otho), Swarthy Skipper (Nastra lherminier), Swarthy Skipper (Nastra lherminier), Tropical Checkered-skipper (Burnsius oileus), Tropical Checkered-skipper (Burnsius oileus), Tropical Checkered-Skipper (Pyrgus oileus), Tropical Checkered-Skipper (Pyrgus oileus), Twin-spot Skipper (Oligoria maculata), Twin-spot Skipper (Oligoria maculata), Variegated Fritillary (Euptoieta claudia), Variegated Fritillary (Euptoieta claudia), Viceroy (Limenitis archippus), Whirlabout (Polites vibex), Whirlabout (Polites vibex), Zarucco Duskywing (Erynnis zarucco), Zarucco Duskywing (Erynnis zarucco), Zebra Longwing (Heliconius charithonia), Zebra Longwing (Heliconius charithonia)
Soil Requirements
- Soil Type:
- well-drained, sandy or loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- dry to moderate
- Notes:
- thrives in disturbed areas and roadsides