Helianthus silphioides

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Helianthus silphioides
Helianthus silphioides image1.png
Photo of Helianthus silphioides taken by Steve Brewer
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Asterales
Family: Asteraceae
Genus: Helianthus
Species: H. silphioides
Binomial name
Helianthus silphioides
Nutt.
Helianthus silphioides range.png
Natural range of Helianthus silphioides from USDA NRCS Plant Database

Common name: Rosinweed sunflower

Taxonomic notes

Synonyms: Helianthus atrorubens Linnaeus var. pubescens Kuntze.[1]

Varieties: none.[1]

Description

Clonal perennial

Distribution

This plant's range extends from southern Kentucky, Illinois, and Missouri to Alabama, Mississippi, Louisiana, and eastern Oklahoma.[1]

Ecology

Habitat

H. silphioides has been found in oak/hickory woods, flatwoods, pine forests, stream banks, creek bottoms, prairies, low ridges above rivers, and upland open woods.[2][3][4][5][6] It is also found in disturbed areas including along roadsides and clear-cut flatwoods.[2][6]

Fire ecology

Responds favorably to overstory thinning and fire in oak-hickory woodlands in north Mississippi (Steve_Brewer).

Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  2. 2.0 2.1 Arkansas Natural Heritage Commission Herbarium accessed using Southeastern Regional Network of Expertise and Collections (ANHC) data portal. URL: http://sernecportal.org/portal/collections/index.php Last accessed: May 2021. Collectors: Sarah Nunn. States and Counties: Arkansas: Clay.
  3. Arkansas Tech University Herbarium accessed using Southeastern Regional Network of Expertise and Collections (SERNEC) data portal. URL: http://sernecportal.org/portal/collections/index.php Last accessed: May 2021. Collectors: Quentin Pye. States and Counties: Arkansas: Pope.
  4. Illinois Natural History Survey accessed using Southeastern Regional Network of Expertise and Collections (SERNEC) data portal. URL: http://sernecportal.org/portal/collections/index.php Last accessed: May 2021. Collectors: John Schwegman. States and Counties: Missouri: Bollinger.
  5. Indiana University Herbarium accessed using Southeastern Regional Network of Expertise and Collections (SERNEC) data portal. URL: http://sernecportal.org/portal/collections/index.php Last accessed: May 2021. Collectors: Delzie Demaree. States and Counties: Arkansas: Clark, Lonoke, and Johnson.
  6. 6.0 6.1 Mississippi Museum of Natural Science Herbarium accessed using Southeastern Regional Network of Expertise and Collections (SERNEC) data portal. URL: http://sernecportal.org/portal/collections/index.php Last accessed: May 2021. Collectors: Michael B. Brooks and Jerry A. Clonts. States and Counties: Mississippi: Oktibbeha.