Dense Spike Blackroot

Pterocaulon pycnostachyum (Michx.) Ell.

2015 Richard Spellenberg cc-by-nc-sa-3.0

Pterocaulon pycnostachyum (Dense Spike Blackroot) is a species of perennial herb in the family Asteraceae. They are native to The Contiguous United States and Eastern North America. Flowers are visited by Delta Flower Scarab, Great Golden Digger Wasp, Gray Hairstreak, and Protographium marcellus.

URI: http://purl.obolibrary.org/obo/FLOPO_0980073
Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, 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/glossaryi_p.html#perennial

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

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

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URI: https://eol.org/schema/terms/eastern_north_america
Definition: From the Atlantic to central North America. May include Saskatchewan, Texas, and/or Guanajuato

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EOL has data for 11 attributes, including:

is eaten by
- URI: http://purl.obolibrary.org/obo/RO_0002471
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Bicyrtes quadrifasciatus (Say 1824) (Four-banded Stink Bug Wasp)
host of
- URI: http://purl.obolibrary.org/obo/RO_0002453
- Attribution: From OBO Relation Ontology
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Puccinia pterocauli Henn. 1896
visited by
- URI: http://purl.obolibrary.org/obo/RO_0002619
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Sphex ichneumoneus (Linnaeus 1758) (Great Golden Digger Wasp)
cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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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.
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Florida
- URI: http://www.geonames.org/4155751
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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non-wetland
- URI: http://eol.org/schema/terms/nwpl_upl
- Definition: non-wetland terrestrial habitat
- Attribution: Lichvar, R.W. and Minkin, P. 2008. Concepts and procedures for updating the National Wetland Plant List. U.S. Army Corps of Engineers, Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory ERDC/CRREL TN-08-3, http://rsgisias.crrel.usace.army.mil/NWPL/static/cfg/doc/pdl_2013_pub/National/NWPL_Phytoneuron_2013.pdf
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leaf arrangement
- URI: http://purl.obolibrary.org/obo/TO_0006014
- Definition: phyllotaxy. A leaf morphology trait (TO:0000748) which is the arrangement of the leaves on the shoot of a plant.
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alternate
- URI: http://purl.obolibrary.org/obo/PATO_0001932
- Definition: placed alternately one above the other.
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life cycle habit
- URI: http://purl.obolibrary.org/obo/TO_0002725
- Definition: Determined for type of life cycle being annual, biennial, perennial etc.
- Comment: The life cycle habit indicates the typical duration of an individual plant's life. Common values are annual, biennial, and perennial. Some plants have different durations depending on environment or location, so a plant can have more than one value.
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perennial
- URI: http://purl.obolibrary.org/obo/FLOPO_0980073
- Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, 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/glossaryi_p.html#perennial
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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.
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The Contiguous United States
- URI: http://www.wikidata.org/entity/Q578170
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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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subshrub
- URI: http://eol.org/schema/terms/subshrub
- Definition: Low-growing plant usually under 0.5 m (1.5 feet) tall, never exceeding 1 meter (3 feet) tall at maturity.
- Attribution: PLANTS Database Growth Habits Codes and Definitions: https://plants.usda.gov/growth_habits_def.html
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produces
- URI: http://purl.obolibrary.org/obo/RO_0003000
- Definition: This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
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oxygen
- URI: http://purl.obolibrary.org/obo/CHEBI_15379
- Definition: molecular oxygen, O2
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trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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photoautotroph
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000130
- Definition: An autotroph which is capable of transforming light into chemical energy.
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Known occurrences, collected specimens and observations of dense-spike blackroot from the Global Biodiversity Information Facility

GBIF provides free and open access to biodiversity data. View this species on GBIF

2015 Richard Spellenberg cc-by-nc-sa-3.0