Blackeyed Susan

Rudbeckia hirta L.

2008 Robert Sivinski cc-by-nc

Rudbeckia hirta (Blackeyed Susan) is a species of annual herb in the family Asteraceae. They are associated with freshwater habitat. They are native to Canada, The Contiguous United States, United States, and North America. They have orange flowers. Flowers are visited by Arogos Skipper, Euodynerus hidalgo, Variable Cuckoo Bumblebee, and Syritta pipiens. Individuals can grow to 1 feet.

URI: http://purl.obolibrary.org/obo/FLOPO_0980071
Definition: Of plant duration, a plant whose life span ends within one year after germination, e.g. a winter annual germinating in the autumn and flowering in the spring (esp. in Mediterranean climates), approximately synonymous to therophyte, c.f. biennial, ephemeral, perennial, c.f. also of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic.
Attribution: Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. Glossary, http://www.mobot.org/mobot/research/apweb/top/glossarya_h.html#annual

show all records

URI: http://purl.obolibrary.org/obo/FLOPO_0022142
Definition: whole plant herbaceous

show all records

URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

show all records

URI: http://www.geonames.org/6251999

show all records

URI: http://www.wikidata.org/entity/Q578170

show all records

URI: http://www.geonames.org/6252001

show all records

URI: http://www.geonames.org/6255149

show all records

URI: http://purl.obolibrary.org/obo/PATO_0000953
Definition: A color hue with high-medium wavelength that of that portion of the visible spectrum lying between red and yellow, evoked in the human observer by radiant energy with wavelengths of approximately 585 to 620 nanometers.
Attribution: [database_cross_reference: Wikipedia:http://en.wikipedia.org/wiki/Orange]

show all records

EOL has data for 69 attributes, including:

anaerobic soil tolerance
- URI: http://eol.org/schema/terms/AnaerobicSoilTolerance
- Definition: The relative tolerance of the plant to anaerobic soil conditions.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
none
- URI: http://purl.bioontology.org/ontology/SNOMEDCT/260413007
show all records
calcareous soil tolerance
- URI: http://eol.org/schema/terms/CalcareousSoilTolerance
- Definition: The relative tolerance of the plant to calcareous soil. Calcareous soil is defined as soil containing sufficient free CaCO3 and other carbonates to effervesce visibly or audibly when treated with cold 0.1M HCl. These soils usually contain from 10 to almost 1000g/kg CaCO3 equivalent.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
none
- URI: http://purl.bioontology.org/ontology/SNOMEDCT/260413007
show all records
fire resistance
- URI: http://eol.org/schema/terms/FireResistance
- Definition: The ability of an organism to resist burning.
- Comment: If a plant can carry a fire—and most can—it is scored as "not fire resistant" in the USDA PLANTS database where this characteristic is evaluated with reference to problem fires in California. http://plants.usda.gov/charinfo.html
show all records
no
- URI: http://eol.org/schema/terms/no
- Definition: This statement is false; the answer to this question is no.
show all records
fire tolerance
- URI: http://eol.org/schema/terms/FireTolerance
- Definition: The relative ability of a plant to resprout, regrow, or reestablish from residual seed after a fire.
- Attribution: USDA PLANTS database Characteristics Data Fields (Fire tolerance). http://plants.usda.gov/charinfo.html
show all records
medium (normal)
- URI: http://purl.obolibrary.org/obo/PATO_0000461
- Definition: Average. A quality inhering in a bearer by virtue of the bearer's exhibiting no deviation from normal or average.
- Attribution: [database_cross_reference: PATOC:GVG]
show all records
fruit or seed color
- URI: http://eol.org/schema/terms/FruitSeedColor
- Definition: The predominant and conspicuous color of the mature fruit or seed from a landscaping aesthetics standpoint.
- Attribution: USDA Plants database. Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
brown
- URI: http://purl.obolibrary.org/obo/PATO_0000952
- Definition: A color consisting of dark orange, red, of very low intensity.
- Attribution: [database_cross_reference: Wikipedia:http://en.wikipedia.org/wiki/Brown]
show all records
geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
show all records
Canada
- URI: http://www.geonames.org/6251999
show all records
native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
show all records
Canada
- URI: http://www.geonames.org/6251999
show all records
precipitation tolerance
- URI: http://eol.org/schema/terms/PrecipitationTolerance
- Definition: Minimum tolerable rainfall (in inches), expressed as the average annual minimum precipitation that occurs 20% of the time (i.e., the probability of it being this dry in any given year is 20%) at the driest climate station within the known geographical range of the plant. geographical range of the plant. For cultivars, the geographical range is defined as the area to which the cultivar is well adapted rather than marginally adapted.
- Comment: Minimum precipitation tolerance: Minimum tolerable rainfall, expressed as the average annual minimum precipitation that occurs 20% of the time (i.e., the probability of it being this dry in any given year is 20%) at the driest climate station within the known geographical range of the plant. Maximum precipitation tolerance: Maximum tolerable rainfall, expressed as the annual average precipitation of the wettest climate station within the known geographical range of the plant. For cultivars, the geographical range is defined as the area to which the cultivar is well adapted rather than marginally adapted.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
65 inch
seed spread rate
- URI: http://eol.org/schema/terms/SeedSpreadRate
- Definition: The capability of the plant to spread through its seed production compared to other species with the same growth habit.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
moderate
- URI: http://eol.org/schema/terms/moderateRate
- Definition: Moderate rate. A rate which is neither relatively high nor low.
show all records
seedling survival
- URI: http://eol.org/schema/terms/SeedlingSurvival
- Definition: The expected seedling survival percentage of the plant compared to other species with the same growth habit.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
medium
- URI: http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C49507
- Definition: Mid-way between small and large in number, quantity, magnitude or extent.
show all records
seeds per pound
- URI: http://eol.org/schema/terms/SeedPerPound
- Definition: The number of seeds per pound in an average seed lot.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
1575760
shade tolerance
- URI: http://eol.org/schema/terms/ShadeTolerance
- Definition: The relative tolerance of the plant to shade conditions
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
show all records
low tolerance
- URI: http://purl.obolibrary.org/obo/PATO_0002394
- Definition: decreased tolerance to: A tolerance quality inhering in a bearer by virtue of the bearer's decreased ability to endure a stimulus.
show all records

Known occurrences, collected specimens and observations of blackeyed Susan. View this species on GBIF

2008 Robert Sivinski cc-by-nc

blackeyed Susan includes 3 children: