Difference between revisions of "Heterotheca subaxillaris"

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==Ecology==
 
==Ecology==
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
In the Coastal Plain in Florida and Georgia, ''H. subaxillaris'' occurs in open sand with sea oats, pine-scrub oak sand ridges, longleaf pine-wiregrass savannas, and upper beaches. It has been found in disturbed areas such as railroad bridges, powerline corridors, vacant lots, along highways, wet roadside ditches, near phosphate ponds, fire lines, and cleared sand pine-evergreen oak scrub (FSU Herbarium).
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In the Coastal Plain in Florida and Georgia, ''H. subaxillaris'' occurs in open sand with sea oats, pine-scrub oak sand ridges, longleaf pine-wiregrass savannas, and upper beaches. It has been found in disturbed areas such as railroad bridges, powerline corridors, vacant lots, along highways, wet roadside ditches, near phosphate ponds, fire lines, and cleared sand pine-evergreen oak scrub (FSU Herbarium). Soil types include loamy sand and sand (FSU Herbarium). Associated species include ''Andropogon, Baccharis, Setaria, Cenchrus, Distichlis, Paspalum urvillei, P. notatum, Eragrostis oxylepia, Eleusine indico, Digitaria sanguinalis, Cyperus surinamensis, Ambrosia artemisfolia, Strophostyles helvola, Solanum americanum, S. sisymbrifolium, Daubentonia drummondii,'' and ''Sesbania exaltata'' (FSU Herbarium).
  
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->

Revision as of 15:06, 6 November 2015

Heterotheca subaxillaris
Insert.jpg
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Asterales
Family: Asteraceae ⁄ Compositae
Genus: Heterotheca
Species: H. subaxillaris
Binomial name
Heterotheca subaxillaris
(Lam.) Britton & Rusby
Hete suba dist.jpg
Natural range of Heterotheca subaxillaris from USDA NRCS Plants Database.

Common name: camphorweed

Taxonomic notes

Description

A description of Heterotheca subaxillaris is provided in The Flora of North America.

Distribution

Ecology

Habitat

In the Coastal Plain in Florida and Georgia, H. subaxillaris occurs in open sand with sea oats, pine-scrub oak sand ridges, longleaf pine-wiregrass savannas, and upper beaches. It has been found in disturbed areas such as railroad bridges, powerline corridors, vacant lots, along highways, wet roadside ditches, near phosphate ponds, fire lines, and cleared sand pine-evergreen oak scrub (FSU Herbarium). Soil types include loamy sand and sand (FSU Herbarium). Associated species include Andropogon, Baccharis, Setaria, Cenchrus, Distichlis, Paspalum urvillei, P. notatum, Eragrostis oxylepia, Eleusine indico, Digitaria sanguinalis, Cyperus surinamensis, Ambrosia artemisfolia, Strophostyles helvola, Solanum americanum, S. sisymbrifolium, Daubentonia drummondii, and Sesbania exaltata (FSU Herbarium).

Phenology

Seed dispersal

Seed bank and germination

Fire ecology

Pollination

The following Hymenoptera families and species were observed visiting flowers of Heterotheca subaxillaris at Archbold Biological Station (Deyrup 2015):

Andrenidae: Andrena fulvipennis

Halictidae: Agapostemon splendens, Augochloropsis metallica, A. sumptuosa, Halictus poeyi, Lasioglossum nymphalis, L. tamiamensis

Megachilidae: Anthidium maculifrons, Coelioxys mexicana, Megachile albitarsis, M. brevis pseudobrevis, M. inimica, M. xylocopoides

Sphecidae: Bicyrtes capnoptera, Microbembex monodonta, Tachytes validus

Vespidae: Pachodynerus erynnis, Stenodynerus fundatiformis, Zethus spinipes

Use by animals

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.